19749132

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2263

約数の個数: 72

約数和(自身を含む): 56616560

約数和(自身を除く): 36867428

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2221, 2223, 2964, 4442, 4446, 6663, 8884, 8892, 13326, 19989, 26652, 28873, 39978, 42199, 57746, 79956, 84398, 86619, 115492, 126597, 168796, 173238, 253194, 259857, 346476, 379791, 506388, 519714, 548587, 759582, 1039428, 1097174, 1519164, 1645761, 2194348, 3291522, 4937283, 6583044, 9874566, 19749132]

約数ペア:

[(1, 19749132), (2, 9874566), (3, 6583044), (4, 4937283), (6, 3291522), (9, 2194348), (12, 1645761), (13, 1519164), (18, 1097174), (19, 1039428), (26, 759582), (36, 548587), (38, 519714), (39, 506388), (52, 379791), (57, 346476), (76, 259857), (78, 253194), (114, 173238), (117, 168796), (156, 126597), (171, 115492), (228, 86619), (234, 84398), (247, 79956), (342, 57746), (468, 42199), (494, 39978), (684, 28873), (741, 26652), (988, 19989), (1482, 13326), (2221, 8892), (2223, 8884), (2964, 6663), (4442, 4446)]