18898440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 44000760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 103, 110, 120, 132, 139, 165, 206, 220, 264, 278, 309, 330, 412, 417, 440, 515, 556, 618, 660, 695, 824, 834, 1030, 1112, 1133, 1236, 1320, 1390, 1529, 1545, 1668, 2060, 2085, 2266, 2472, 2780, 3058, 3090, 3336, 3399, 4120, 4170, 4532, 4587, 5560, 5665, 6116, 6180, 6798, 7645, 8340, 9064, 9174, 11330, 12232, 12360, 13596, 14317, 15290, 16680, 16995, 18348, 22660, 22935, 27192, 28634, 30580, 33990, 36696, 42951, 45320, 45870, 57268, 61160, 67980, 71585, 85902, 91740, 114536, 135960, 143170, 157487, 171804, 183480, 214755, 286340, 314974, 343608, 429510, 472461, 572680, 629948, 787435, 859020, 944922, 1259896, 1574870, 1718040, 1889844, 2362305, 3149740, 3779688, 4724610, 6299480, 9449220, 18898440]

約数ペア:

[(1, 18898440), (2, 9449220), (3, 6299480), (4, 4724610), (5, 3779688), (6, 3149740), (8, 2362305), (10, 1889844), (11, 1718040), (12, 1574870), (15, 1259896), (20, 944922), (22, 859020), (24, 787435), (30, 629948), (33, 572680), (40, 472461), (44, 429510), (55, 343608), (60, 314974), (66, 286340), (88, 214755), (103, 183480), (110, 171804), (120, 157487), (132, 143170), (139, 135960), (165, 114536), (206, 91740), (220, 85902), (264, 71585), (278, 67980), (309, 61160), (330, 57268), (412, 45870), (417, 45320), (440, 42951), (515, 36696), (556, 33990), (618, 30580), (660, 28634), (695, 27192), (824, 22935), (834, 22660), (1030, 18348), (1112, 16995), (1133, 16680), (1236, 15290), (1320, 14317), (1390, 13596), (1529, 12360), (1545, 12232), (1668, 11330), (2060, 9174), (2085, 9064), (2266, 8340), (2472, 7645), (2780, 6798), (3058, 6180), (3090, 6116), (3336, 5665), (3399, 5560), (4120, 4587), (4170, 4532)]