18111940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 49996800

約数和(自身を除く): 31884860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 619, 665, 770, 836, 1045, 1238, 1330, 1463, 1540, 2090, 2476, 2660, 2926, 3095, 4180, 4333, 5852, 6190, 6809, 7315, 8666, 11761, 12380, 13618, 14630, 17332, 21665, 23522, 27236, 29260, 34045, 43330, 47044, 47663, 58805, 68090, 82327, 86660, 95326, 117610, 129371, 136180, 164654, 190652, 235220, 238315, 258742, 329308, 411635, 476630, 517484, 646855, 823270, 905597, 953260, 1293710, 1646540, 1811194, 2587420, 3622388, 4527985, 9055970, 18111940]

約数ペア:

[(1, 18111940), (2, 9055970), (4, 4527985), (5, 3622388), (7, 2587420), (10, 1811194), (11, 1646540), (14, 1293710), (19, 953260), (20, 905597), (22, 823270), (28, 646855), (35, 517484), (38, 476630), (44, 411635), (55, 329308), (70, 258742), (76, 238315), (77, 235220), (95, 190652), (110, 164654), (133, 136180), (140, 129371), (154, 117610), (190, 95326), (209, 86660), (220, 82327), (266, 68090), (308, 58805), (380, 47663), (385, 47044), (418, 43330), (532, 34045), (619, 29260), (665, 27236), (770, 23522), (836, 21665), (1045, 17332), (1238, 14630), (1330, 13618), (1463, 12380), (1540, 11761), (2090, 8666), (2476, 7315), (2660, 6809), (2926, 6190), (3095, 5852), (4180, 4333)]