11888970890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{4111}}^1$

素因数の和:4659

約数の個数: 64

約数和(自身を含む): 23306158080

約数和(自身を除く): 11417187190

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 491, 589, 982, 1178, 2455, 2945, 4111, 4910, 5890, 8222, 9329, 15221, 18658, 20555, 30442, 41110, 46645, 76105, 78109, 93290, 127441, 152210, 156218, 254882, 289199, 390545, 578398, 637205, 781090, 1274410, 1445995, 2018501, 2421379, 2891990, 4037002, 4842758, 10092505, 12106895, 20185010, 24213790, 38351519, 62573531, 76703038, 125147062, 191757595, 312867655, 383515190, 625735310, 1188897089, 2377794178, 5944485445, 11888970890]

約数ペア:

[(1, 11888970890), (2, 5944485445), (5, 2377794178), (10, 1188897089), (19, 625735310), (31, 383515190), (38, 312867655), (62, 191757595), (95, 125147062), (155, 76703038), (190, 62573531), (310, 38351519), (491, 24213790), (589, 20185010), (982, 12106895), (1178, 10092505), (2455, 4842758), (2945, 4037002), (4111, 2891990), (4910, 2421379), (5890, 2018501), (8222, 1445995), (9329, 1274410), (15221, 781090), (18658, 637205), (20555, 578398), (30442, 390545), (41110, 289199), (46645, 254882), (76105, 156218), (78109, 152210), (93290, 127441)]