19498256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2069}}^1$

素因数の和:2127

約数の個数: 40

約数和(自身を含む): 41068800

約数和(自身を除く): 21570544

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2069, 2356, 4138, 4712, 8276, 9424, 16552, 33104, 39311, 64139, 78622, 128278, 157244, 256556, 314488, 513112, 628976, 1026224, 1218641, 2437282, 4874564, 9749128, 19498256]

約数ペア:

[(1, 19498256), (2, 9749128), (4, 4874564), (8, 2437282), (16, 1218641), (19, 1026224), (31, 628976), (38, 513112), (62, 314488), (76, 256556), (124, 157244), (152, 128278), (248, 78622), (304, 64139), (496, 39311), (589, 33104), (1178, 16552), (2069, 9424), (2356, 8276), (4138, 4712)]