19785824

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1047

約数の個数: 48

約数和(自身を含む): 42402528

約数和(自身を除く): 22616704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 272, 296, 544, 592, 629, 983, 1184, 1258, 1966, 2516, 3932, 5032, 7864, 10064, 15728, 16711, 20128, 31456, 33422, 36371, 66844, 72742, 133688, 145484, 267376, 290968, 534752, 581936, 618307, 1163872, 1236614, 2473228, 4946456, 9892912, 19785824]

約数ペア:

[(1, 19785824), (2, 9892912), (4, 4946456), (8, 2473228), (16, 1236614), (17, 1163872), (32, 618307), (34, 581936), (37, 534752), (68, 290968), (74, 267376), (136, 145484), (148, 133688), (272, 72742), (296, 66844), (544, 36371), (592, 33422), (629, 31456), (983, 20128), (1184, 16711), (1258, 15728), (1966, 10064), (2516, 7864), (3932, 5032)]