18959220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 67511808

約数和(自身を除く): 48552588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 367, 369, 410, 420, 492, 574, 615, 630, 734, 738, 820, 861, 1101, 1148, 1230, 1260, 1435, 1468, 1476, 1722, 1835, 1845, 2202, 2460, 2569, 2583, 2870, 3303, 3444, 3670, 3690, 4305, 4404, 5138, 5166, 5505, 5740, 6606, 7340, 7380, 7707, 8610, 10276, 10332, 11010, 12845, 12915, 13212, 15047, 15414, 16515, 17220, 22020, 23121, 25690, 25830, 30094, 30828, 33030, 38535, 45141, 46242, 51380, 51660, 60188, 66060, 75235, 77070, 90282, 92484, 105329, 115605, 135423, 150470, 154140, 180564, 210658, 225705, 231210, 270846, 300940, 315987, 421316, 451410, 462420, 526645, 541692, 631974, 677115, 902820, 947961, 1053290, 1263948, 1354230, 1579935, 1895922, 2106580, 2708460, 3159870, 3791844, 4739805, 6319740, 9479610, 18959220]

約数ペア:

[(1, 18959220), (2, 9479610), (3, 6319740), (4, 4739805), (5, 3791844), (6, 3159870), (7, 2708460), (9, 2106580), (10, 1895922), (12, 1579935), (14, 1354230), (15, 1263948), (18, 1053290), (20, 947961), (21, 902820), (28, 677115), (30, 631974), (35, 541692), (36, 526645), (41, 462420), (42, 451410), (45, 421316), (60, 315987), (63, 300940), (70, 270846), (82, 231210), (84, 225705), (90, 210658), (105, 180564), (123, 154140), (126, 150470), (140, 135423), (164, 115605), (180, 105329), (205, 92484), (210, 90282), (246, 77070), (252, 75235), (287, 66060), (315, 60188), (367, 51660), (369, 51380), (410, 46242), (420, 45141), (492, 38535), (574, 33030), (615, 30828), (630, 30094), (734, 25830), (738, 25690), (820, 23121), (861, 22020), (1101, 17220), (1148, 16515), (1230, 15414), (1260, 15047), (1435, 13212), (1468, 12915), (1476, 12845), (1722, 11010), (1835, 10332), (1845, 10276), (2202, 8610), (2460, 7707), (2569, 7380), (2583, 7340), (2870, 6606), (3303, 5740), (3444, 5505), (3670, 5166), (3690, 5138), (4305, 4404)]