19954974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 26312226

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 101, 102, 149, 202, 221, 298, 303, 442, 447, 606, 663, 894, 1313, 1326, 1717, 1937, 2533, 2626, 3434, 3874, 3939, 5066, 5151, 5811, 7599, 7878, 10302, 11622, 15049, 15198, 22321, 30098, 32929, 44642, 45147, 65858, 66963, 90294, 98787, 133926, 195637, 197574, 255833, 391274, 511666, 586911, 767499, 1173822, 1534998, 3325829, 6651658, 9977487, 19954974]

約数ペア:

[(1, 19954974), (2, 9977487), (3, 6651658), (6, 3325829), (13, 1534998), (17, 1173822), (26, 767499), (34, 586911), (39, 511666), (51, 391274), (78, 255833), (101, 197574), (102, 195637), (149, 133926), (202, 98787), (221, 90294), (298, 66963), (303, 65858), (442, 45147), (447, 44642), (606, 32929), (663, 30098), (894, 22321), (1313, 15198), (1326, 15049), (1717, 11622), (1937, 10302), (2533, 7878), (2626, 7599), (3434, 5811), (3874, 5151), (3939, 5066)]