18936709620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1478

約数の個数: 144

約数和(自身を含む): 54739214208

約数和(自身を除く): 35802504588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 71, 118, 142, 177, 213, 236, 284, 295, 354, 355, 426, 590, 708, 710, 852, 885, 1065, 1180, 1277, 1420, 1770, 2130, 2554, 3481, 3540, 3831, 4189, 4260, 5108, 6385, 6962, 7662, 8378, 10443, 12567, 12770, 13924, 15324, 16756, 17405, 19155, 20886, 20945, 25134, 25540, 34810, 38310, 41772, 41890, 50268, 52215, 62835, 69620, 75343, 76620, 83780, 90667, 104430, 125670, 150686, 181334, 208860, 226029, 247151, 251340, 272001, 301372, 362668, 376715, 452058, 453335, 494302, 544002, 741453, 753430, 904116, 906670, 988604, 1088004, 1130145, 1235755, 1360005, 1482906, 1506860, 1813340, 2260290, 2471510, 2720010, 2965812, 3707265, 4445237, 4520580, 4943020, 5349353, 5440020, 7414530, 8890474, 10698706, 13335711, 14829060, 16048059, 17780948, 21397412, 22226185, 26671422, 26746765, 32096118, 44452370, 53342844, 53493530, 64192236, 66678555, 80240295, 88904740, 106987060, 133357110, 160480590, 266714220, 315611827, 320961180, 631223654, 946835481, 1262447308, 1578059135, 1893670962, 3156118270, 3787341924, 4734177405, 6312236540, 9468354810, 18936709620]

約数ペア:

[(1, 18936709620), (2, 9468354810), (3, 6312236540), (4, 4734177405), (5, 3787341924), (6, 3156118270), (10, 1893670962), (12, 1578059135), (15, 1262447308), (20, 946835481), (30, 631223654), (59, 320961180), (60, 315611827), (71, 266714220), (118, 160480590), (142, 133357110), (177, 106987060), (213, 88904740), (236, 80240295), (284, 66678555), (295, 64192236), (354, 53493530), (355, 53342844), (426, 44452370), (590, 32096118), (708, 26746765), (710, 26671422), (852, 22226185), (885, 21397412), (1065, 17780948), (1180, 16048059), (1277, 14829060), (1420, 13335711), (1770, 10698706), (2130, 8890474), (2554, 7414530), (3481, 5440020), (3540, 5349353), (3831, 4943020), (4189, 4520580), (4260, 4445237), (5108, 3707265), (6385, 2965812), (6962, 2720010), (7662, 2471510), (8378, 2260290), (10443, 1813340), (12567, 1506860), (12770, 1482906), (13924, 1360005), (15324, 1235755), (16756, 1130145), (17405, 1088004), (19155, 988604), (20886, 906670), (20945, 904116), (25134, 753430), (25540, 741453), (34810, 544002), (38310, 494302), (41772, 453335), (41890, 452058), (50268, 376715), (52215, 362668), (62835, 301372), (69620, 272001), (75343, 251340), (76620, 247151), (83780, 226029), (90667, 208860), (104430, 181334), (125670, 150686)]