18281490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 27441390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 89, 123, 167, 178, 205, 246, 267, 334, 410, 445, 501, 534, 615, 835, 890, 1002, 1230, 1335, 1670, 2505, 2670, 3649, 5010, 6847, 7298, 10947, 13694, 14863, 18245, 20541, 21894, 29726, 34235, 36490, 41082, 44589, 54735, 68470, 74315, 89178, 102705, 109470, 148630, 205410, 222945, 445890, 609383, 1218766, 1828149, 3046915, 3656298, 6093830, 9140745, 18281490]

約数ペア:

[(1, 18281490), (2, 9140745), (3, 6093830), (5, 3656298), (6, 3046915), (10, 1828149), (15, 1218766), (30, 609383), (41, 445890), (82, 222945), (89, 205410), (123, 148630), (167, 109470), (178, 102705), (205, 89178), (246, 74315), (267, 68470), (334, 54735), (410, 44589), (445, 41082), (501, 36490), (534, 34235), (615, 29726), (835, 21894), (890, 20541), (1002, 18245), (1230, 14863), (1335, 13694), (1670, 10947), (2505, 7298), (2670, 6847), (3649, 5010)]