19448680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 47647440

約数和(自身を除く): 28198760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 773, 1258, 1480, 1546, 2516, 3092, 3145, 3865, 5032, 6184, 6290, 7730, 12580, 13141, 15460, 25160, 26282, 28601, 30920, 52564, 57202, 65705, 105128, 114404, 131410, 143005, 228808, 262820, 286010, 486217, 525640, 572020, 972434, 1144040, 1944868, 2431085, 3889736, 4862170, 9724340, 19448680]

約数ペア:

[(1, 19448680), (2, 9724340), (4, 4862170), (5, 3889736), (8, 2431085), (10, 1944868), (17, 1144040), (20, 972434), (34, 572020), (37, 525640), (40, 486217), (68, 286010), (74, 262820), (85, 228808), (136, 143005), (148, 131410), (170, 114404), (185, 105128), (296, 65705), (340, 57202), (370, 52564), (629, 30920), (680, 28601), (740, 26282), (773, 25160), (1258, 15460), (1480, 13141), (1546, 12580), (2516, 7730), (3092, 6290), (3145, 6184), (3865, 5032)]