19849366940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{10667}}^1$

素因数の和:11127

約数の個数: 96

約数和(自身を含む): 47648067264

約数和(自身を除く): 27798700324

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 421, 442, 842, 884, 1105, 1684, 2105, 2210, 4210, 4420, 5473, 7157, 8420, 10667, 10946, 14314, 21334, 21892, 27365, 28628, 35785, 42668, 53335, 54730, 71570, 93041, 106670, 109460, 138671, 143140, 181339, 186082, 213340, 277342, 362678, 372164, 465205, 554684, 693355, 725356, 906695, 930410, 1386710, 1813390, 1860820, 2357407, 2773420, 3626780, 4490807, 4714814, 8981614, 9429628, 11787035, 17963228, 22454035, 23574070, 44908070, 47148140, 58380491, 76343719, 89816140, 116760982, 152687438, 233521964, 291902455, 305374876, 381718595, 583804910, 763437190, 992468347, 1167609820, 1526874380, 1984936694, 3969873388, 4962341735, 9924683470, 19849366940]

約数ペア:

[(1, 19849366940), (2, 9924683470), (4, 4962341735), (5, 3969873388), (10, 1984936694), (13, 1526874380), (17, 1167609820), (20, 992468347), (26, 763437190), (34, 583804910), (52, 381718595), (65, 305374876), (68, 291902455), (85, 233521964), (130, 152687438), (170, 116760982), (221, 89816140), (260, 76343719), (340, 58380491), (421, 47148140), (442, 44908070), (842, 23574070), (884, 22454035), (1105, 17963228), (1684, 11787035), (2105, 9429628), (2210, 8981614), (4210, 4714814), (4420, 4490807), (5473, 3626780), (7157, 2773420), (8420, 2357407), (10667, 1860820), (10946, 1813390), (14314, 1386710), (21334, 930410), (21892, 906695), (27365, 725356), (28628, 693355), (35785, 554684), (42668, 465205), (53335, 372164), (54730, 362678), (71570, 277342), (93041, 213340), (106670, 186082), (109460, 181339), (138671, 143140)]