19863064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 42497280

約数和(自身を除く): 22634216

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 61, 62, 101, 104, 122, 124, 202, 244, 248, 403, 404, 488, 793, 806, 808, 1313, 1586, 1612, 1891, 2626, 3131, 3172, 3224, 3782, 5252, 6161, 6262, 6344, 7564, 10504, 12322, 12524, 15128, 24583, 24644, 25048, 40703, 49166, 49288, 80093, 81406, 98332, 160186, 162812, 190991, 196664, 320372, 325624, 381982, 640744, 763964, 1527928, 2482883, 4965766, 9931532, 19863064]

約数ペア:

[(1, 19863064), (2, 9931532), (4, 4965766), (8, 2482883), (13, 1527928), (26, 763964), (31, 640744), (52, 381982), (61, 325624), (62, 320372), (101, 196664), (104, 190991), (122, 162812), (124, 160186), (202, 98332), (244, 81406), (248, 80093), (403, 49288), (404, 49166), (488, 40703), (793, 25048), (806, 24644), (808, 24583), (1313, 15128), (1586, 12524), (1612, 12322), (1891, 10504), (2626, 7564), (3131, 6344), (3172, 6262), (3224, 6161), (3782, 5252)]