19913360

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2999}}^1$

素因数の和:3095

約数の個数: 40

約数和(自身を含む): 46872000

約数和(自身を除く): 26958640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 2999, 3320, 5998, 6640, 11996, 14995, 23992, 29990, 47984, 59980, 119960, 239920, 248917, 497834, 995668, 1244585, 1991336, 2489170, 3982672, 4978340, 9956680, 19913360]

約数ペア:

[(1, 19913360), (2, 9956680), (4, 4978340), (5, 3982672), (8, 2489170), (10, 1991336), (16, 1244585), (20, 995668), (40, 497834), (80, 248917), (83, 239920), (166, 119960), (332, 59980), (415, 47984), (664, 29990), (830, 23992), (1328, 14995), (1660, 11996), (2999, 6640), (3320, 5998)]