18748380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{911}}^1$

素因数の和:944

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 42538020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 343, 420, 490, 588, 686, 735, 911, 980, 1029, 1372, 1470, 1715, 1822, 2058, 2733, 2940, 3430, 3644, 4116, 4555, 5145, 5466, 6377, 6860, 9110, 10290, 10932, 12754, 13665, 18220, 19131, 20580, 25508, 27330, 31885, 38262, 44639, 54660, 63770, 76524, 89278, 95655, 127540, 133917, 178556, 191310, 223195, 267834, 312473, 382620, 446390, 535668, 624946, 669585, 892780, 937419, 1249892, 1339170, 1562365, 1874838, 2678340, 3124730, 3749676, 4687095, 6249460, 9374190, 18748380]

約数ペア:

[(1, 18748380), (2, 9374190), (3, 6249460), (4, 4687095), (5, 3749676), (6, 3124730), (7, 2678340), (10, 1874838), (12, 1562365), (14, 1339170), (15, 1249892), (20, 937419), (21, 892780), (28, 669585), (30, 624946), (35, 535668), (42, 446390), (49, 382620), (60, 312473), (70, 267834), (84, 223195), (98, 191310), (105, 178556), (140, 133917), (147, 127540), (196, 95655), (210, 89278), (245, 76524), (294, 63770), (343, 54660), (420, 44639), (490, 38262), (588, 31885), (686, 27330), (735, 25508), (911, 20580), (980, 19131), (1029, 18220), (1372, 13665), (1470, 12754), (1715, 10932), (1822, 10290), (2058, 9110), (2733, 6860), (2940, 6377), (3430, 5466), (3644, 5145), (4116, 4555)]