201811122

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{823}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 474624000

約数和(自身を除く): 272812878

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 239, 342, 478, 513, 717, 823, 1026, 1434, 1646, 2151, 2469, 4302, 4541, 4938, 6453, 7407, 9082, 12906, 13623, 14814, 15637, 22221, 27246, 31274, 40869, 44442, 46911, 81738, 93822, 122607, 140733, 196697, 245214, 281466, 393394, 422199, 590091, 844398, 1180182, 1770273, 3540546, 3737243, 5310819, 7474486, 10621638, 11211729, 22423458, 33635187, 67270374, 100905561, 201811122]

約数ペア:

[(1, 201811122), (2, 100905561), (3, 67270374), (6, 33635187), (9, 22423458), (18, 11211729), (19, 10621638), (27, 7474486), (38, 5310819), (54, 3737243), (57, 3540546), (114, 1770273), (171, 1180182), (239, 844398), (342, 590091), (478, 422199), (513, 393394), (717, 281466), (823, 245214), (1026, 196697), (1434, 140733), (1646, 122607), (2151, 93822), (2469, 81738), (4302, 46911), (4541, 44442), (4938, 40869), (6453, 31274), (7407, 27246), (9082, 22221), (12906, 15637), (13623, 14814)]