19472180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{823}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 50666112

約数和(自身を除く): 31193932

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 823, 845, 910, 1183, 1646, 1690, 1820, 2366, 3292, 3380, 4115, 4732, 5761, 5915, 8230, 10699, 11522, 11830, 16460, 21398, 23044, 23660, 28805, 42796, 53495, 57610, 74893, 106990, 115220, 139087, 149786, 213980, 278174, 299572, 374465, 556348, 695435, 748930, 973609, 1390870, 1497860, 1947218, 2781740, 3894436, 4868045, 9736090, 19472180]

約数ペア:

[(1, 19472180), (2, 9736090), (4, 4868045), (5, 3894436), (7, 2781740), (10, 1947218), (13, 1497860), (14, 1390870), (20, 973609), (26, 748930), (28, 695435), (35, 556348), (52, 374465), (65, 299572), (70, 278174), (91, 213980), (130, 149786), (140, 139087), (169, 115220), (182, 106990), (260, 74893), (338, 57610), (364, 53495), (455, 42796), (676, 28805), (823, 23660), (845, 23044), (910, 21398), (1183, 16460), (1646, 11830), (1690, 11522), (1820, 10699), (2366, 8230), (3292, 5915), (3380, 5761), (4115, 4732)]