19270784

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 42597240

約数和(自身を除く): 23326456

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 296, 313, 416, 481, 592, 626, 832, 962, 1184, 1252, 1664, 1924, 2368, 2504, 3848, 4069, 4736, 5008, 7696, 8138, 10016, 11581, 15392, 16276, 20032, 23162, 30784, 32552, 40064, 46324, 61568, 65104, 92648, 130208, 150553, 185296, 260416, 301106, 370592, 520832, 602212, 741184, 1204424, 1482368, 2408848, 4817696, 9635392, 19270784]

約数ペア:

[(1, 19270784), (2, 9635392), (4, 4817696), (8, 2408848), (13, 1482368), (16, 1204424), (26, 741184), (32, 602212), (37, 520832), (52, 370592), (64, 301106), (74, 260416), (104, 185296), (128, 150553), (148, 130208), (208, 92648), (296, 65104), (313, 61568), (416, 46324), (481, 40064), (592, 32552), (626, 30784), (832, 23162), (962, 20032), (1184, 16276), (1252, 15392), (1664, 11581), (1924, 10016), (2368, 8138), (2504, 7696), (3848, 5008), (4069, 4736)]