18393100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 45497088

約数和(自身を除く): 27103988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 727, 1012, 1100, 1150, 1265, 1454, 2300, 2530, 2908, 3635, 5060, 6325, 7270, 7997, 12650, 14540, 15994, 16721, 18175, 25300, 31988, 33442, 36350, 39985, 66884, 72700, 79970, 83605, 159940, 167210, 183931, 199925, 334420, 367862, 399850, 418025, 735724, 799700, 836050, 919655, 1672100, 1839310, 3678620, 4598275, 9196550, 18393100]

約数ペア:

[(1, 18393100), (2, 9196550), (4, 4598275), (5, 3678620), (10, 1839310), (11, 1672100), (20, 919655), (22, 836050), (23, 799700), (25, 735724), (44, 418025), (46, 399850), (50, 367862), (55, 334420), (92, 199925), (100, 183931), (110, 167210), (115, 159940), (220, 83605), (230, 79970), (253, 72700), (275, 66884), (460, 39985), (506, 36350), (550, 33442), (575, 31988), (727, 25300), (1012, 18175), (1100, 16721), (1150, 15994), (1265, 14540), (1454, 12650), (2300, 7997), (2530, 7270), (2908, 6325), (3635, 5060)]