18702970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 42230160

約数和(自身を除く): 23527190

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 41, 55, 58, 65, 82, 110, 121, 130, 143, 145, 205, 242, 286, 290, 319, 377, 410, 451, 533, 605, 638, 715, 754, 902, 1066, 1189, 1210, 1430, 1573, 1595, 1885, 2255, 2378, 2665, 3146, 3190, 3509, 3770, 4147, 4510, 4961, 5330, 5863, 5945, 7018, 7865, 8294, 9922, 11726, 11890, 13079, 15457, 15730, 17545, 20735, 24805, 26158, 29315, 30914, 35090, 41470, 45617, 49610, 58630, 64493, 65395, 77285, 91234, 128986, 130790, 143869, 154570, 170027, 228085, 287738, 322465, 340054, 456170, 644930, 719345, 850135, 1438690, 1700270, 1870297, 3740594, 9351485, 18702970]

約数ペア:

[(1, 18702970), (2, 9351485), (5, 3740594), (10, 1870297), (11, 1700270), (13, 1438690), (22, 850135), (26, 719345), (29, 644930), (41, 456170), (55, 340054), (58, 322465), (65, 287738), (82, 228085), (110, 170027), (121, 154570), (130, 143869), (143, 130790), (145, 128986), (205, 91234), (242, 77285), (286, 65395), (290, 64493), (319, 58630), (377, 49610), (410, 45617), (451, 41470), (533, 35090), (605, 30914), (638, 29315), (715, 26158), (754, 24805), (902, 20735), (1066, 17545), (1189, 15730), (1210, 15457), (1430, 13079), (1573, 11890), (1595, 11726), (1885, 9922), (2255, 8294), (2378, 7865), (2665, 7018), (3146, 5945), (3190, 5863), (3509, 5330), (3770, 4961), (4147, 4510)]