18936691144

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{11003}}^1$

素因数の和:11510

約数の個数: 64

約数和(自身を含む): 41235949440

約数和(自身を除く): 22299258296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 421, 511, 584, 842, 1022, 1684, 2044, 2947, 3368, 4088, 5894, 11003, 11788, 22006, 23576, 30733, 44012, 61466, 77021, 88024, 122932, 154042, 215131, 245864, 308084, 430262, 616168, 803219, 860524, 1606438, 1721048, 3212876, 4632263, 5622533, 6425752, 9264526, 11245066, 18529052, 22490132, 32425841, 37058104, 44980264, 64851682, 129703364, 259406728, 338155199, 676310398, 1352620796, 2367086393, 2705241592, 4734172786, 9468345572, 18936691144]

約数ペア:

[(1, 18936691144), (2, 9468345572), (4, 4734172786), (7, 2705241592), (8, 2367086393), (14, 1352620796), (28, 676310398), (56, 338155199), (73, 259406728), (146, 129703364), (292, 64851682), (421, 44980264), (511, 37058104), (584, 32425841), (842, 22490132), (1022, 18529052), (1684, 11245066), (2044, 9264526), (2947, 6425752), (3368, 5622533), (4088, 4632263), (5894, 3212876), (11003, 1721048), (11788, 1606438), (22006, 860524), (23576, 803219), (30733, 616168), (44012, 430262), (61466, 308084), (77021, 245864), (88024, 215131), (122932, 154042)]