19009951640

素因数分解:

$2^3\times 5^1\times {\mathrm{15271}}^1\times {\mathrm{31121}}^1$

素因数の和:46403

約数の個数: 32

約数和(自身を含む): 42776566560

約数和(自身を除く): 23766614920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15271, 30542, 31121, 61084, 62242, 76355, 122168, 124484, 152710, 155605, 248968, 305420, 311210, 610840, 622420, 1244840, 475248791, 950497582, 1900995164, 2376243955, 3801990328, 4752487910, 9504975820, 19009951640]

約数ペア:

[(1, 19009951640), (2, 9504975820), (4, 4752487910), (5, 3801990328), (8, 2376243955), (10, 1900995164), (20, 950497582), (40, 475248791), (15271, 1244840), (30542, 622420), (31121, 610840), (61084, 311210), (62242, 305420), (76355, 248968), (122168, 155605), (124484, 152710)]