18641844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 51658152

約数和(自身を除く): 33016308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 653, 732, 793, 1098, 1306, 1586, 1959, 2196, 2379, 2612, 3172, 3918, 4758, 5877, 7137, 7836, 8489, 9516, 11754, 14274, 16978, 23508, 25467, 28548, 33956, 39833, 50934, 76401, 79666, 101868, 119499, 152802, 159332, 238998, 305604, 358497, 477996, 517829, 716994, 1035658, 1433988, 1553487, 2071316, 3106974, 4660461, 6213948, 9320922, 18641844]

約数ペア:

[(1, 18641844), (2, 9320922), (3, 6213948), (4, 4660461), (6, 3106974), (9, 2071316), (12, 1553487), (13, 1433988), (18, 1035658), (26, 716994), (36, 517829), (39, 477996), (52, 358497), (61, 305604), (78, 238998), (117, 159332), (122, 152802), (156, 119499), (183, 101868), (234, 79666), (244, 76401), (366, 50934), (468, 39833), (549, 33956), (653, 28548), (732, 25467), (793, 23508), (1098, 16978), (1306, 14274), (1586, 11754), (1959, 9516), (2196, 8489), (2379, 7836), (2612, 7137), (3172, 5877), (3918, 4758)]