19924710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1087}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 52641792

約数和(自身を除く): 32717082

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 611, 705, 1087, 1222, 1410, 1833, 2174, 3055, 3261, 3666, 5435, 6110, 6522, 9165, 10870, 14131, 16305, 18330, 28262, 32610, 42393, 51089, 70655, 84786, 102178, 141310, 153267, 211965, 255445, 306534, 423930, 510890, 664157, 766335, 1328314, 1532670, 1992471, 3320785, 3984942, 6641570, 9962355, 19924710]

約数ペア:

[(1, 19924710), (2, 9962355), (3, 6641570), (5, 3984942), (6, 3320785), (10, 1992471), (13, 1532670), (15, 1328314), (26, 766335), (30, 664157), (39, 510890), (47, 423930), (65, 306534), (78, 255445), (94, 211965), (130, 153267), (141, 141310), (195, 102178), (235, 84786), (282, 70655), (390, 51089), (470, 42393), (611, 32610), (705, 28262), (1087, 18330), (1222, 16305), (1410, 14131), (1833, 10870), (2174, 9165), (3055, 6522), (3261, 6110), (3666, 5435)]