18746988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7069}}^1$

素因数の和:7106

約数の個数: 48

約数和(自身を含む): 49885920

約数和(自身を除く): 31138932

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7069, 14138, 21207, 28276, 42414, 84828, 91897, 120173, 183794, 240346, 275691, 360519, 367588, 480692, 551382, 721038, 1102764, 1442076, 1562249, 3124498, 4686747, 6248996, 9373494, 18746988]

約数ペア:

[(1, 18746988), (2, 9373494), (3, 6248996), (4, 4686747), (6, 3124498), (12, 1562249), (13, 1442076), (17, 1102764), (26, 721038), (34, 551382), (39, 480692), (51, 367588), (52, 360519), (68, 275691), (78, 240346), (102, 183794), (156, 120173), (204, 91897), (221, 84828), (442, 42414), (663, 28276), (884, 21207), (1326, 14138), (2652, 7069)]