18993200

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:582

約数の個数: 60

約数和(自身を含む): 46174128

約数和(自身を除く): 27180928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 400, 412, 461, 515, 824, 922, 1030, 1648, 1844, 2060, 2305, 2575, 3688, 4120, 4610, 5150, 7376, 8240, 9220, 10300, 11525, 18440, 20600, 23050, 36880, 41200, 46100, 47483, 92200, 94966, 184400, 189932, 237415, 379864, 474830, 759728, 949660, 1187075, 1899320, 2374150, 3798640, 4748300, 9496600, 18993200]

約数ペア:

[(1, 18993200), (2, 9496600), (4, 4748300), (5, 3798640), (8, 2374150), (10, 1899320), (16, 1187075), (20, 949660), (25, 759728), (40, 474830), (50, 379864), (80, 237415), (100, 189932), (103, 184400), (200, 94966), (206, 92200), (400, 47483), (412, 46100), (461, 41200), (515, 36880), (824, 23050), (922, 20600), (1030, 18440), (1648, 11525), (1844, 10300), (2060, 9220), (2305, 8240), (2575, 7376), (3688, 5150), (4120, 4610)]