19481186992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{4289}}^1\times {\mathrm{16699}}^1$

素因数の和:21013

約数の個数: 40

約数和(自身を含む): 39976794000

約数和(自身を除く): 20495607008

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 4289, 8578, 16699, 17156, 33398, 34312, 66796, 68624, 72913, 133592, 145826, 267184, 283883, 291652, 567766, 583304, 1135532, 1166608, 2271064, 4542128, 71622011, 143244022, 286488044, 572976088, 1145952176, 1217574187, 2435148374, 4870296748, 9740593496, 19481186992]

約数ペア:

[(1, 19481186992), (2, 9740593496), (4, 4870296748), (8, 2435148374), (16, 1217574187), (17, 1145952176), (34, 572976088), (68, 286488044), (136, 143244022), (272, 71622011), (4289, 4542128), (8578, 2271064), (16699, 1166608), (17156, 1135532), (33398, 583304), (34312, 567766), (66796, 291652), (68624, 283883), (72913, 267184), (133592, 145826)]