18501840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3671}}^1$

素因数の和:3697

約数の個数: 120

約数和(自身を含む): 71031168

約数和(自身を除く): 52529328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3671, 5040, 7342, 11013, 14684, 18355, 22026, 25697, 29368, 33039, 36710, 44052, 51394, 55065, 58736, 66078, 73420, 77091, 88104, 102788, 110130, 128485, 132156, 146840, 154182, 165195, 176208, 205576, 220260, 231273, 256970, 264312, 293680, 308364, 330390, 385455, 411152, 440520, 462546, 513940, 528624, 616728, 660780, 770910, 881040, 925092, 1027880, 1156365, 1233456, 1321560, 1541820, 1850184, 2055760, 2312730, 2643120, 3083640, 3700368, 4625460, 6167280, 9250920, 18501840]

約数ペア:

[(1, 18501840), (2, 9250920), (3, 6167280), (4, 4625460), (5, 3700368), (6, 3083640), (7, 2643120), (8, 2312730), (9, 2055760), (10, 1850184), (12, 1541820), (14, 1321560), (15, 1233456), (16, 1156365), (18, 1027880), (20, 925092), (21, 881040), (24, 770910), (28, 660780), (30, 616728), (35, 528624), (36, 513940), (40, 462546), (42, 440520), (45, 411152), (48, 385455), (56, 330390), (60, 308364), (63, 293680), (70, 264312), (72, 256970), (80, 231273), (84, 220260), (90, 205576), (105, 176208), (112, 165195), (120, 154182), (126, 146840), (140, 132156), (144, 128485), (168, 110130), (180, 102788), (210, 88104), (240, 77091), (252, 73420), (280, 66078), (315, 58736), (336, 55065), (360, 51394), (420, 44052), (504, 36710), (560, 33039), (630, 29368), (720, 25697), (840, 22026), (1008, 18355), (1260, 14684), (1680, 11013), (2520, 7342), (3671, 5040)]