18586890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 55875456

約数和(自身を除く): 37288566

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 163, 181, 210, 315, 326, 362, 489, 543, 630, 815, 905, 978, 1086, 1141, 1267, 1467, 1629, 1630, 1810, 2282, 2445, 2534, 2715, 2934, 3258, 3423, 3801, 4890, 5430, 5705, 6335, 6846, 7335, 7602, 8145, 10269, 11403, 11410, 12670, 14670, 16290, 17115, 19005, 20538, 22806, 29503, 34230, 38010, 51345, 57015, 59006, 88509, 102690, 114030, 147515, 177018, 206521, 265527, 295030, 413042, 442545, 531054, 619563, 885090, 1032605, 1239126, 1327635, 1858689, 2065210, 2655270, 3097815, 3717378, 6195630, 9293445, 18586890]

約数ペア:

[(1, 18586890), (2, 9293445), (3, 6195630), (5, 3717378), (6, 3097815), (7, 2655270), (9, 2065210), (10, 1858689), (14, 1327635), (15, 1239126), (18, 1032605), (21, 885090), (30, 619563), (35, 531054), (42, 442545), (45, 413042), (63, 295030), (70, 265527), (90, 206521), (105, 177018), (126, 147515), (163, 114030), (181, 102690), (210, 88509), (315, 59006), (326, 57015), (362, 51345), (489, 38010), (543, 34230), (630, 29503), (815, 22806), (905, 20538), (978, 19005), (1086, 17115), (1141, 16290), (1267, 14670), (1467, 12670), (1629, 11410), (1630, 11403), (1810, 10269), (2282, 8145), (2445, 7602), (2534, 7335), (2715, 6846), (2934, 6335), (3258, 5705), (3423, 5430), (3801, 4890)]