18319336

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2749}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 42322500

約数和(自身を除く): 24003164

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 2749, 3332, 5498, 6664, 10996, 19243, 21992, 38486, 46733, 76972, 93466, 134701, 153944, 186932, 269402, 327131, 373864, 538804, 654262, 1077608, 1308524, 2289917, 2617048, 4579834, 9159668, 18319336]

約数ペア:

[(1, 18319336), (2, 9159668), (4, 4579834), (7, 2617048), (8, 2289917), (14, 1308524), (17, 1077608), (28, 654262), (34, 538804), (49, 373864), (56, 327131), (68, 269402), (98, 186932), (119, 153944), (136, 134701), (196, 93466), (238, 76972), (392, 46733), (476, 38486), (833, 21992), (952, 19243), (1666, 10996), (2749, 6664), (3332, 5498)]