19649808

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2237}}^1$

素因数の和:2312

約数の個数: 60

約数和(自身を含む): 55918668

約数和(自身を除く): 36268860

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2237, 2928, 4392, 4474, 6711, 8784, 8948, 13422, 17896, 20133, 26844, 35792, 40266, 53688, 80532, 107376, 136457, 161064, 272914, 322128, 409371, 545828, 818742, 1091656, 1228113, 1637484, 2183312, 2456226, 3274968, 4912452, 6549936, 9824904, 19649808]

約数ペア:

[(1, 19649808), (2, 9824904), (3, 6549936), (4, 4912452), (6, 3274968), (8, 2456226), (9, 2183312), (12, 1637484), (16, 1228113), (18, 1091656), (24, 818742), (36, 545828), (48, 409371), (61, 322128), (72, 272914), (122, 161064), (144, 136457), (183, 107376), (244, 80532), (366, 53688), (488, 40266), (549, 35792), (732, 26844), (976, 20133), (1098, 17896), (1464, 13422), (2196, 8948), (2237, 8784), (2928, 6711), (4392, 4474)]