19657360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 48769200

約数和(自身を除く): 29111840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 229, 232, 290, 296, 370, 458, 464, 580, 592, 740, 916, 1073, 1145, 1160, 1480, 1832, 2146, 2290, 2320, 2960, 3664, 4292, 4580, 5365, 6641, 8473, 8584, 9160, 10730, 13282, 16946, 17168, 18320, 21460, 26564, 33205, 33892, 42365, 42920, 53128, 66410, 67784, 84730, 85840, 106256, 132820, 135568, 169460, 245717, 265640, 338920, 491434, 531280, 677840, 982868, 1228585, 1965736, 2457170, 3931472, 4914340, 9828680, 19657360]

約数ペア:

[(1, 19657360), (2, 9828680), (4, 4914340), (5, 3931472), (8, 2457170), (10, 1965736), (16, 1228585), (20, 982868), (29, 677840), (37, 531280), (40, 491434), (58, 338920), (74, 265640), (80, 245717), (116, 169460), (145, 135568), (148, 132820), (185, 106256), (229, 85840), (232, 84730), (290, 67784), (296, 66410), (370, 53128), (458, 42920), (464, 42365), (580, 33892), (592, 33205), (740, 26564), (916, 21460), (1073, 18320), (1145, 17168), (1160, 16946), (1480, 13282), (1832, 10730), (2146, 9160), (2290, 8584), (2320, 8473), (2960, 6641), (3664, 5365), (4292, 4580)]