19628720790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1801}}^1\times {\mathrm{51899}}^1$

素因数の和:53717

約数の個数: 64

約数和(自身を含む): 53869708800

約数和(自身を除く): 34240988010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1801, 3602, 5403, 9005, 10806, 12607, 18010, 25214, 27015, 37821, 51899, 54030, 63035, 75642, 103798, 126070, 155697, 189105, 259495, 311394, 363293, 378210, 518990, 726586, 778485, 1089879, 1556970, 1816465, 2179758, 3632930, 5449395, 10898790, 93470099, 186940198, 280410297, 467350495, 560820594, 654290693, 934700990, 1308581386, 1402051485, 1962872079, 2804102970, 3271453465, 3925744158, 6542906930, 9814360395, 19628720790]

約数ペア:

[(1, 19628720790), (2, 9814360395), (3, 6542906930), (5, 3925744158), (6, 3271453465), (7, 2804102970), (10, 1962872079), (14, 1402051485), (15, 1308581386), (21, 934700990), (30, 654290693), (35, 560820594), (42, 467350495), (70, 280410297), (105, 186940198), (210, 93470099), (1801, 10898790), (3602, 5449395), (5403, 3632930), (9005, 2179758), (10806, 1816465), (12607, 1556970), (18010, 1089879), (25214, 778485), (27015, 726586), (37821, 518990), (51899, 378210), (54030, 363293), (63035, 311394), (75642, 259495), (103798, 189105), (126070, 155697)]