18409908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 48858880

約数和(自身を除く): 30448972

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 121, 124, 132, 186, 242, 341, 363, 372, 409, 484, 682, 726, 818, 1023, 1227, 1364, 1452, 1636, 2046, 2454, 3751, 4092, 4499, 4908, 7502, 8998, 11253, 12679, 13497, 15004, 17996, 22506, 25358, 26994, 38037, 45012, 49489, 50716, 53988, 76074, 98978, 139469, 148467, 152148, 197956, 278938, 296934, 418407, 557876, 593868, 836814, 1534159, 1673628, 3068318, 4602477, 6136636, 9204954, 18409908]

約数ペア:

[(1, 18409908), (2, 9204954), (3, 6136636), (4, 4602477), (6, 3068318), (11, 1673628), (12, 1534159), (22, 836814), (31, 593868), (33, 557876), (44, 418407), (62, 296934), (66, 278938), (93, 197956), (121, 152148), (124, 148467), (132, 139469), (186, 98978), (242, 76074), (341, 53988), (363, 50716), (372, 49489), (409, 45012), (484, 38037), (682, 26994), (726, 25358), (818, 22506), (1023, 17996), (1227, 15004), (1364, 13497), (1452, 12679), (1636, 11253), (2046, 8998), (2454, 7502), (3751, 4908), (4092, 4499)]