18437220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:639

約数の個数: 120

約数和(自身を含む): 60984000

約数和(自身を除く): 42546780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 599, 684, 810, 855, 1026, 1140, 1198, 1539, 1620, 1710, 1797, 2052, 2396, 2565, 2995, 3078, 3420, 3594, 5130, 5391, 5990, 6156, 7188, 7695, 8985, 10260, 10782, 11381, 11980, 15390, 16173, 17970, 21564, 22762, 26955, 30780, 32346, 34143, 35940, 45524, 48519, 53910, 56905, 64692, 68286, 80865, 97038, 102429, 107820, 113810, 136572, 161730, 170715, 194076, 204858, 227620, 242595, 307287, 323460, 341430, 409716, 485190, 512145, 614574, 682860, 921861, 970380, 1024290, 1229148, 1536435, 1843722, 2048580, 3072870, 3687444, 4609305, 6145740, 9218610, 18437220]

約数ペア:

[(1, 18437220), (2, 9218610), (3, 6145740), (4, 4609305), (5, 3687444), (6, 3072870), (9, 2048580), (10, 1843722), (12, 1536435), (15, 1229148), (18, 1024290), (19, 970380), (20, 921861), (27, 682860), (30, 614574), (36, 512145), (38, 485190), (45, 409716), (54, 341430), (57, 323460), (60, 307287), (76, 242595), (81, 227620), (90, 204858), (95, 194076), (108, 170715), (114, 161730), (135, 136572), (162, 113810), (171, 107820), (180, 102429), (190, 97038), (228, 80865), (270, 68286), (285, 64692), (324, 56905), (342, 53910), (380, 48519), (405, 45524), (513, 35940), (540, 34143), (570, 32346), (599, 30780), (684, 26955), (810, 22762), (855, 21564), (1026, 17970), (1140, 16173), (1198, 15390), (1539, 11980), (1620, 11381), (1710, 10782), (1797, 10260), (2052, 8985), (2396, 7695), (2565, 7188), (2995, 6156), (3078, 5990), (3420, 5391), (3594, 5130)]