19948290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 31200510

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 79, 95, 114, 158, 190, 237, 285, 395, 443, 474, 570, 790, 886, 1185, 1329, 1501, 2215, 2370, 2658, 3002, 4430, 4503, 6645, 7505, 8417, 9006, 13290, 15010, 16834, 22515, 25251, 34997, 42085, 45030, 50502, 69994, 84170, 104991, 126255, 174985, 209982, 252510, 349970, 524955, 664943, 1049910, 1329886, 1994829, 3324715, 3989658, 6649430, 9974145, 19948290]

約数ペア:

[(1, 19948290), (2, 9974145), (3, 6649430), (5, 3989658), (6, 3324715), (10, 1994829), (15, 1329886), (19, 1049910), (30, 664943), (38, 524955), (57, 349970), (79, 252510), (95, 209982), (114, 174985), (158, 126255), (190, 104991), (237, 84170), (285, 69994), (395, 50502), (443, 45030), (474, 42085), (570, 34997), (790, 25251), (886, 22515), (1185, 16834), (1329, 15010), (1501, 13290), (2215, 9006), (2370, 8417), (2658, 7505), (3002, 6645), (4430, 4503)]