19223464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 41912640

約数和(自身を除く): 22689176

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 83, 104, 131, 136, 166, 221, 262, 332, 442, 524, 664, 884, 1048, 1079, 1411, 1703, 1768, 2158, 2227, 2822, 3406, 4316, 4454, 5644, 6812, 8632, 8908, 10873, 11288, 13624, 17816, 18343, 21746, 28951, 36686, 43492, 57902, 73372, 86984, 115804, 141349, 146744, 184841, 231608, 282698, 369682, 565396, 739364, 1130792, 1478728, 2402933, 4805866, 9611732, 19223464]

約数ペア:

[(1, 19223464), (2, 9611732), (4, 4805866), (8, 2402933), (13, 1478728), (17, 1130792), (26, 739364), (34, 565396), (52, 369682), (68, 282698), (83, 231608), (104, 184841), (131, 146744), (136, 141349), (166, 115804), (221, 86984), (262, 73372), (332, 57902), (442, 43492), (524, 36686), (664, 28951), (884, 21746), (1048, 18343), (1079, 17816), (1411, 13624), (1703, 11288), (1768, 10873), (2158, 8908), (2227, 8632), (2822, 6812), (3406, 5644), (4316, 4454)]