18931170050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{20759}}^1$

素因数の和:20868

約数の個数: 96

約数和(自身を含む): 40219925760

約数和(自身を除く): 21288755710

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 61, 65, 115, 122, 130, 230, 299, 305, 325, 575, 598, 610, 650, 793, 1150, 1403, 1495, 1525, 1586, 2806, 2990, 3050, 3965, 7015, 7475, 7930, 14030, 14950, 18239, 19825, 20759, 35075, 36478, 39650, 41518, 70150, 91195, 103795, 182390, 207590, 269867, 455975, 477457, 518975, 539734, 911950, 954914, 1037950, 1266299, 1349335, 2387285, 2532598, 2698670, 4774570, 6206941, 6331495, 6746675, 11936425, 12413882, 12662990, 13493350, 16461887, 23872850, 29124877, 31034705, 31657475, 32923774, 58249754, 62069410, 63314950, 82309435, 145624385, 155173525, 164618870, 291248770, 310347050, 378623401, 411547175, 728121925, 757246802, 823094350, 1456243850, 1893117005, 3786234010, 9465585025, 18931170050]

約数ペア:

[(1, 18931170050), (2, 9465585025), (5, 3786234010), (10, 1893117005), (13, 1456243850), (23, 823094350), (25, 757246802), (26, 728121925), (46, 411547175), (50, 378623401), (61, 310347050), (65, 291248770), (115, 164618870), (122, 155173525), (130, 145624385), (230, 82309435), (299, 63314950), (305, 62069410), (325, 58249754), (575, 32923774), (598, 31657475), (610, 31034705), (650, 29124877), (793, 23872850), (1150, 16461887), (1403, 13493350), (1495, 12662990), (1525, 12413882), (1586, 11936425), (2806, 6746675), (2990, 6331495), (3050, 6206941), (3965, 4774570), (7015, 2698670), (7475, 2532598), (7930, 2387285), (14030, 1349335), (14950, 1266299), (18239, 1037950), (19825, 954914), (20759, 911950), (35075, 539734), (36478, 518975), (39650, 477457), (41518, 455975), (70150, 269867), (91195, 207590), (103795, 182390)]