19061216

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 40851216

約数和(自身を除く): 21790000

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 272, 296, 544, 592, 629, 947, 1184, 1258, 1894, 2516, 3788, 5032, 7576, 10064, 15152, 16099, 20128, 30304, 32198, 35039, 64396, 70078, 128792, 140156, 257584, 280312, 515168, 560624, 595663, 1121248, 1191326, 2382652, 4765304, 9530608, 19061216]

約数ペア:

[(1, 19061216), (2, 9530608), (4, 4765304), (8, 2382652), (16, 1191326), (17, 1121248), (32, 595663), (34, 560624), (37, 515168), (68, 280312), (74, 257584), (136, 140156), (148, 128792), (272, 70078), (296, 64396), (544, 35039), (592, 32198), (629, 30304), (947, 20128), (1184, 16099), (1258, 15152), (1894, 10064), (2516, 7576), (3788, 5032)]