18815676425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1831}}^1\times {\mathrm{4517}}^1$

素因数の和:6378

約数の個数: 48

約数和(自身を含む): 28737660672

約数和(自身を除く): 9921984247

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 1831, 2275, 4517, 9155, 12817, 22585, 23803, 31619, 45775, 58721, 64085, 112925, 119015, 158095, 166621, 293605, 320425, 411047, 595075, 790475, 833105, 1468025, 2055235, 4165525, 8270627, 10276175, 41353135, 57894389, 107518151, 206765675, 289471945, 537590755, 752627057, 1447359725, 2687953775, 3763135285, 18815676425]

約数ペア:

[(1, 18815676425), (5, 3763135285), (7, 2687953775), (13, 1447359725), (25, 752627057), (35, 537590755), (65, 289471945), (91, 206765675), (175, 107518151), (325, 57894389), (455, 41353135), (1831, 10276175), (2275, 8270627), (4517, 4165525), (9155, 2055235), (12817, 1468025), (22585, 833105), (23803, 790475), (31619, 595075), (45775, 411047), (58721, 320425), (64085, 293605), (112925, 166621), (119015, 158095)]