20180052

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 54323360

約数和(自身を除く): 34143308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 163, 171, 181, 228, 326, 342, 362, 489, 543, 652, 684, 724, 978, 1086, 1467, 1629, 1956, 2172, 2934, 3097, 3258, 3439, 5868, 6194, 6516, 6878, 9291, 10317, 12388, 13756, 18582, 20634, 27873, 29503, 30951, 37164, 41268, 55746, 59006, 61902, 88509, 111492, 118012, 123804, 177018, 265527, 354036, 531054, 560557, 1062108, 1121114, 1681671, 2242228, 3363342, 5045013, 6726684, 10090026, 20180052]

約数ペア:

[(1, 20180052), (2, 10090026), (3, 6726684), (4, 5045013), (6, 3363342), (9, 2242228), (12, 1681671), (18, 1121114), (19, 1062108), (36, 560557), (38, 531054), (57, 354036), (76, 265527), (114, 177018), (163, 123804), (171, 118012), (181, 111492), (228, 88509), (326, 61902), (342, 59006), (362, 55746), (489, 41268), (543, 37164), (652, 30951), (684, 29503), (724, 27873), (978, 20634), (1086, 18582), (1467, 13756), (1629, 12388), (1956, 10317), (2172, 9291), (2934, 6878), (3097, 6516), (3258, 6194), (3439, 5868)]