18829040

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{631}}^1$

素因数の和:1017

約数の個数: 40

約数和(自身を含む): 43964448

約数和(自身を除く): 25135408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 631, 746, 1262, 1492, 1865, 2524, 2984, 3155, 3730, 5048, 5968, 6310, 7460, 10096, 12620, 14920, 25240, 29840, 50480, 235363, 470726, 941452, 1176815, 1882904, 2353630, 3765808, 4707260, 9414520, 18829040]

約数ペア:

[(1, 18829040), (2, 9414520), (4, 4707260), (5, 3765808), (8, 2353630), (10, 1882904), (16, 1176815), (20, 941452), (40, 470726), (80, 235363), (373, 50480), (631, 29840), (746, 25240), (1262, 14920), (1492, 12620), (1865, 10096), (2524, 7460), (2984, 6310), (3155, 5968), (3730, 5048)]