19814580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 64157184

約数和(自身を除く): 44342604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 53, 60, 62, 67, 90, 93, 106, 124, 134, 155, 159, 180, 186, 201, 212, 265, 268, 279, 310, 318, 335, 372, 402, 465, 477, 530, 558, 603, 620, 636, 670, 795, 804, 930, 954, 1005, 1060, 1116, 1206, 1340, 1395, 1590, 1643, 1860, 1908, 2010, 2077, 2385, 2412, 2790, 3015, 3180, 3286, 3551, 4020, 4154, 4770, 4929, 5580, 6030, 6231, 6572, 7102, 8215, 8308, 9540, 9858, 10385, 10653, 12060, 12462, 14204, 14787, 16430, 17755, 18693, 19716, 20770, 21306, 24645, 24924, 29574, 31155, 31959, 32860, 35510, 37386, 41540, 42612, 49290, 53265, 59148, 62310, 63918, 71020, 73935, 74772, 93465, 98580, 106530, 110081, 124620, 127836, 147870, 159795, 186930, 213060, 220162, 295740, 319590, 330243, 373860, 440324, 550405, 639180, 660486, 990729, 1100810, 1320972, 1651215, 1981458, 2201620, 3302430, 3962916, 4953645, 6604860, 9907290, 19814580]

約数ペア:

[(1, 19814580), (2, 9907290), (3, 6604860), (4, 4953645), (5, 3962916), (6, 3302430), (9, 2201620), (10, 1981458), (12, 1651215), (15, 1320972), (18, 1100810), (20, 990729), (30, 660486), (31, 639180), (36, 550405), (45, 440324), (53, 373860), (60, 330243), (62, 319590), (67, 295740), (90, 220162), (93, 213060), (106, 186930), (124, 159795), (134, 147870), (155, 127836), (159, 124620), (180, 110081), (186, 106530), (201, 98580), (212, 93465), (265, 74772), (268, 73935), (279, 71020), (310, 63918), (318, 62310), (335, 59148), (372, 53265), (402, 49290), (465, 42612), (477, 41540), (530, 37386), (558, 35510), (603, 32860), (620, 31959), (636, 31155), (670, 29574), (795, 24924), (804, 24645), (930, 21306), (954, 20770), (1005, 19716), (1060, 18693), (1116, 17755), (1206, 16430), (1340, 14787), (1395, 14204), (1590, 12462), (1643, 12060), (1860, 10653), (1908, 10385), (2010, 9858), (2077, 9540), (2385, 8308), (2412, 8215), (2790, 7102), (3015, 6572), (3180, 6231), (3286, 6030), (3551, 5580), (4020, 4929), (4154, 4770)]