18650490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 28161030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 59, 82, 118, 123, 177, 205, 246, 257, 295, 354, 410, 514, 590, 615, 771, 885, 1230, 1285, 1542, 1770, 2419, 2570, 3855, 4838, 7257, 7710, 10537, 12095, 14514, 15163, 21074, 24190, 30326, 31611, 36285, 45489, 52685, 63222, 72570, 75815, 90978, 105370, 151630, 158055, 227445, 316110, 454890, 621683, 1243366, 1865049, 3108415, 3730098, 6216830, 9325245, 18650490]

約数ペア:

[(1, 18650490), (2, 9325245), (3, 6216830), (5, 3730098), (6, 3108415), (10, 1865049), (15, 1243366), (30, 621683), (41, 454890), (59, 316110), (82, 227445), (118, 158055), (123, 151630), (177, 105370), (205, 90978), (246, 75815), (257, 72570), (295, 63222), (354, 52685), (410, 45489), (514, 36285), (590, 31611), (615, 30326), (771, 24190), (885, 21074), (1230, 15163), (1285, 14514), (1542, 12095), (1770, 10537), (2419, 7710), (2570, 7257), (3855, 4838)]