18231522010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{5261}}^1$

素因数の和:5384

約数の個数: 128

約数和(自身を含む): 39462474240

約数和(自身を除く): 21230952230

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 61, 65, 95, 115, 122, 130, 190, 230, 247, 299, 305, 437, 494, 598, 610, 793, 874, 1159, 1235, 1403, 1495, 1586, 2185, 2318, 2470, 2806, 2990, 3965, 4370, 5261, 5681, 5795, 7015, 7930, 10522, 11362, 11590, 14030, 15067, 18239, 26305, 26657, 28405, 30134, 36478, 52610, 53314, 56810, 68393, 75335, 91195, 99959, 121003, 133285, 136786, 150670, 182390, 199918, 242006, 266570, 320921, 341965, 346541, 499795, 605015, 641842, 683930, 693082, 999590, 1210030, 1299467, 1573039, 1604605, 1732705, 2299057, 2598934, 3146078, 3209210, 3465410, 4171973, 4598114, 6097499, 6497335, 7381183, 7865195, 8343946, 11495285, 12194998, 12994670, 14762366, 15730390, 20859865, 22990570, 29887741, 30487495, 36905915, 41719730, 59775482, 60974990, 73811830, 79267487, 95955379, 140242477, 149438705, 158534974, 191910758, 280484954, 298877410, 396337435, 479776895, 701212385, 792674870, 959553790, 1402424770, 1823152201, 3646304402, 9115761005, 18231522010]

約数ペア:

[(1, 18231522010), (2, 9115761005), (5, 3646304402), (10, 1823152201), (13, 1402424770), (19, 959553790), (23, 792674870), (26, 701212385), (38, 479776895), (46, 396337435), (61, 298877410), (65, 280484954), (95, 191910758), (115, 158534974), (122, 149438705), (130, 140242477), (190, 95955379), (230, 79267487), (247, 73811830), (299, 60974990), (305, 59775482), (437, 41719730), (494, 36905915), (598, 30487495), (610, 29887741), (793, 22990570), (874, 20859865), (1159, 15730390), (1235, 14762366), (1403, 12994670), (1495, 12194998), (1586, 11495285), (2185, 8343946), (2318, 7865195), (2470, 7381183), (2806, 6497335), (2990, 6097499), (3965, 4598114), (4370, 4171973), (5261, 3465410), (5681, 3209210), (5795, 3146078), (7015, 2598934), (7930, 2299057), (10522, 1732705), (11362, 1604605), (11590, 1573039), (14030, 1299467), (15067, 1210030), (18239, 999590), (26305, 693082), (26657, 683930), (28405, 641842), (30134, 605015), (36478, 499795), (52610, 346541), (53314, 341965), (56810, 320921), (68393, 266570), (75335, 242006), (91195, 199918), (99959, 182390), (121003, 150670), (133285, 136786)]