19505290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 43732224

約数和(自身を除く): 24226934

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 37, 70, 74, 85, 119, 170, 185, 238, 259, 370, 443, 518, 595, 629, 886, 1190, 1258, 1295, 2215, 2590, 3101, 3145, 4403, 4430, 6202, 6290, 7531, 8806, 15062, 15505, 16391, 22015, 31010, 32782, 37655, 44030, 52717, 75310, 81955, 105434, 114737, 163910, 229474, 263585, 278647, 527170, 557294, 573685, 1147370, 1393235, 1950529, 2786470, 3901058, 9752645, 19505290]

約数ペア:

[(1, 19505290), (2, 9752645), (5, 3901058), (7, 2786470), (10, 1950529), (14, 1393235), (17, 1147370), (34, 573685), (35, 557294), (37, 527170), (70, 278647), (74, 263585), (85, 229474), (119, 163910), (170, 114737), (185, 105434), (238, 81955), (259, 75310), (370, 52717), (443, 44030), (518, 37655), (595, 32782), (629, 31010), (886, 22015), (1190, 16391), (1258, 15505), (1295, 15062), (2215, 8806), (2590, 7531), (3101, 6290), (3145, 6202), (4403, 4430)]