18415860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9944

約数の個数: 48

約数和(自身を含む): 53233152

約数和(自身を除く): 34817292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 9901, 19802, 29703, 39604, 49505, 59406, 99010, 118812, 148515, 198020, 297030, 306931, 594060, 613862, 920793, 1227724, 1534655, 1841586, 3069310, 3683172, 4603965, 6138620, 9207930, 18415860]

約数ペア:

[(1, 18415860), (2, 9207930), (3, 6138620), (4, 4603965), (5, 3683172), (6, 3069310), (10, 1841586), (12, 1534655), (15, 1227724), (20, 920793), (30, 613862), (31, 594060), (60, 306931), (62, 297030), (93, 198020), (124, 148515), (155, 118812), (186, 99010), (310, 59406), (372, 49505), (465, 39604), (620, 29703), (930, 19802), (1860, 9901)]