19366991990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1\times {\mathrm{3511}}^1$

素因数の和:4397

約数の個数: 64

約数和(自身を含む): 37686850560

約数和(自身を除く): 18319858570

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 827, 1334, 1654, 3335, 3511, 4135, 6670, 7022, 8270, 17555, 19021, 23983, 35110, 38042, 47966, 80753, 95105, 101819, 119915, 161506, 190210, 203638, 239830, 403765, 509095, 551609, 807530, 1018190, 1103218, 2341837, 2758045, 2903597, 4683674, 5516090, 5807194, 11709185, 14517985, 23418370, 29035970, 66782731, 84204313, 133565462, 168408626, 333913655, 421021565, 667827310, 842043130, 1936699199, 3873398398, 9683495995, 19366991990]

約数ペア:

[(1, 19366991990), (2, 9683495995), (5, 3873398398), (10, 1936699199), (23, 842043130), (29, 667827310), (46, 421021565), (58, 333913655), (115, 168408626), (145, 133565462), (230, 84204313), (290, 66782731), (667, 29035970), (827, 23418370), (1334, 14517985), (1654, 11709185), (3335, 5807194), (3511, 5516090), (4135, 4683674), (6670, 2903597), (7022, 2758045), (8270, 2341837), (17555, 1103218), (19021, 1018190), (23983, 807530), (35110, 551609), (38042, 509095), (47966, 403765), (80753, 239830), (95105, 203638), (101819, 190210), (119915, 161506)]