19732070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 21091930

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 41, 82, 85, 95, 149, 170, 190, 205, 298, 323, 410, 646, 697, 745, 779, 1394, 1490, 1558, 1615, 2533, 2831, 3230, 3485, 3895, 5066, 5662, 6109, 6970, 7790, 12218, 12665, 13243, 14155, 25330, 26486, 28310, 30545, 48127, 61090, 66215, 96254, 103853, 116071, 132430, 207706, 232142, 240635, 481270, 519265, 580355, 1038530, 1160710, 1973207, 3946414, 9866035, 19732070]

約数ペア:

[(1, 19732070), (2, 9866035), (5, 3946414), (10, 1973207), (17, 1160710), (19, 1038530), (34, 580355), (38, 519265), (41, 481270), (82, 240635), (85, 232142), (95, 207706), (149, 132430), (170, 116071), (190, 103853), (205, 96254), (298, 66215), (323, 61090), (410, 48127), (646, 30545), (697, 28310), (745, 26486), (779, 25330), (1394, 14155), (1490, 13243), (1558, 12665), (1615, 12218), (2533, 7790), (2831, 6970), (3230, 6109), (3485, 5662), (3895, 5066)]