19002220645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1049}}^1\times {\mathrm{4021}}^1$

素因数の和:5145

約数の個数: 32

約数和(自身を含む): 24629119200

約数和(自身を除く): 5626898555

約数列:

[1, 5, 17, 53, 85, 265, 901, 1049, 4021, 4505, 5245, 17833, 20105, 55597, 68357, 89165, 213113, 277985, 341785, 945149, 1065565, 3622921, 4218029, 4725745, 18114605, 21090145, 71706493, 223555537, 358532465, 1117777685, 3800444129, 19002220645]

約数ペア:

[(1, 19002220645), (5, 3800444129), (17, 1117777685), (53, 358532465), (85, 223555537), (265, 71706493), (901, 21090145), (1049, 18114605), (4021, 4725745), (4505, 4218029), (5245, 3622921), (17833, 1065565), (20105, 945149), (55597, 341785), (68357, 277985), (89165, 213113)]