19156940535980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{101348749}}^1$

素因数の和:101349498

約数の個数: 48

約数和(自身を含む): 43383751320000

約数和(自身を除く): 24226810784020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 727, 1454, 2908, 3635, 7270, 9451, 14540, 18902, 37804, 47255, 94510, 189020, 101348749, 202697498, 405394996, 506743745, 1013487490, 1317533737, 2026974980, 2635067474, 5270134948, 6587668685, 13175337370, 26350674740, 73680540523, 147361081046, 294722162092, 368402702615, 736805405230, 957847026799, 1473610810460, 1915694053598, 3831388107196, 4789235133995, 9578470267990, 19156940535980]

約数ペア:

[(1, 19156940535980), (2, 9578470267990), (4, 4789235133995), (5, 3831388107196), (10, 1915694053598), (13, 1473610810460), (20, 957847026799), (26, 736805405230), (52, 368402702615), (65, 294722162092), (130, 147361081046), (260, 73680540523), (727, 26350674740), (1454, 13175337370), (2908, 6587668685), (3635, 5270134948), (7270, 2635067474), (9451, 2026974980), (14540, 1317533737), (18902, 1013487490), (37804, 506743745), (47255, 405394996), (94510, 202697498), (189020, 101348749)]