19741624

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 45489600

約数和(自身を除く): 25747976

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 89, 119, 136, 178, 233, 238, 356, 466, 476, 623, 712, 932, 952, 1246, 1513, 1631, 1864, 2492, 3026, 3262, 3961, 4984, 6052, 6524, 7922, 10591, 12104, 13048, 15844, 20737, 21182, 27727, 31688, 41474, 42364, 55454, 82948, 84728, 110908, 145159, 165896, 221816, 290318, 352529, 580636, 705058, 1161272, 1410116, 2467703, 2820232, 4935406, 9870812, 19741624]

約数ペア:

[(1, 19741624), (2, 9870812), (4, 4935406), (7, 2820232), (8, 2467703), (14, 1410116), (17, 1161272), (28, 705058), (34, 580636), (56, 352529), (68, 290318), (89, 221816), (119, 165896), (136, 145159), (178, 110908), (233, 84728), (238, 82948), (356, 55454), (466, 42364), (476, 41474), (623, 31688), (712, 27727), (932, 21182), (952, 20737), (1246, 15844), (1513, 13048), (1631, 12104), (1864, 10591), (2492, 7922), (3026, 6524), (3262, 6052), (3961, 4984)]