19801476

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^2\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 53084640

約数和(自身を除く): 33283164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 83, 94, 108, 141, 166, 188, 249, 282, 332, 423, 498, 564, 747, 846, 996, 1269, 1494, 1692, 2209, 2241, 2538, 2988, 3901, 4418, 4482, 5076, 6627, 7802, 8836, 8964, 11703, 13254, 15604, 19881, 23406, 26508, 35109, 39762, 46812, 59643, 70218, 79524, 105327, 119286, 140436, 183347, 210654, 238572, 366694, 421308, 550041, 733388, 1100082, 1650123, 2200164, 3300246, 4950369, 6600492, 9900738, 19801476]

約数ペア:

[(1, 19801476), (2, 9900738), (3, 6600492), (4, 4950369), (6, 3300246), (9, 2200164), (12, 1650123), (18, 1100082), (27, 733388), (36, 550041), (47, 421308), (54, 366694), (83, 238572), (94, 210654), (108, 183347), (141, 140436), (166, 119286), (188, 105327), (249, 79524), (282, 70218), (332, 59643), (423, 46812), (498, 39762), (564, 35109), (747, 26508), (846, 23406), (996, 19881), (1269, 15604), (1494, 13254), (1692, 11703), (2209, 8964), (2241, 8836), (2538, 7802), (2988, 6627), (3901, 5076), (4418, 4482)]