18855690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 53581824

約数和(自身を除く): 34726134

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 101, 105, 127, 147, 202, 210, 245, 254, 294, 303, 381, 490, 505, 606, 635, 707, 735, 762, 889, 1010, 1270, 1414, 1470, 1515, 1778, 1905, 2121, 2667, 3030, 3535, 3810, 4242, 4445, 4949, 5334, 6223, 7070, 8890, 9898, 10605, 12446, 12827, 13335, 14847, 18669, 21210, 24745, 25654, 26670, 29694, 31115, 37338, 38481, 49490, 62230, 64135, 74235, 76962, 89789, 93345, 128270, 148470, 179578, 186690, 192405, 269367, 384810, 448945, 538734, 628523, 897890, 1257046, 1346835, 1885569, 2693670, 3142615, 3771138, 6285230, 9427845, 18855690]

約数ペア:

[(1, 18855690), (2, 9427845), (3, 6285230), (5, 3771138), (6, 3142615), (7, 2693670), (10, 1885569), (14, 1346835), (15, 1257046), (21, 897890), (30, 628523), (35, 538734), (42, 448945), (49, 384810), (70, 269367), (98, 192405), (101, 186690), (105, 179578), (127, 148470), (147, 128270), (202, 93345), (210, 89789), (245, 76962), (254, 74235), (294, 64135), (303, 62230), (381, 49490), (490, 38481), (505, 37338), (606, 31115), (635, 29694), (707, 26670), (735, 25654), (762, 24745), (889, 21210), (1010, 18669), (1270, 14847), (1414, 13335), (1470, 12827), (1515, 12446), (1778, 10605), (1905, 9898), (2121, 8890), (2667, 7070), (3030, 6223), (3535, 5334), (3810, 4949), (4242, 4445)]