19380240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2447}}^1$

素因数の和:2477

約数の個数: 120

約数和(自身を含む): 71031168

約数和(自身を除く): 51650928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2447, 2640, 3960, 4894, 7341, 7920, 9788, 12235, 14682, 19576, 22023, 24470, 26917, 29364, 36705, 39152, 44046, 48940, 53834, 58728, 73410, 80751, 88092, 97880, 107668, 110115, 117456, 134585, 146820, 161502, 176184, 195760, 215336, 220230, 242253, 269170, 293640, 323004, 352368, 403755, 430672, 440460, 484506, 538340, 587280, 646008, 807510, 880920, 969012, 1076680, 1211265, 1292016, 1615020, 1761840, 1938024, 2153360, 2422530, 3230040, 3876048, 4845060, 6460080, 9690120, 19380240]

約数ペア:

[(1, 19380240), (2, 9690120), (3, 6460080), (4, 4845060), (5, 3876048), (6, 3230040), (8, 2422530), (9, 2153360), (10, 1938024), (11, 1761840), (12, 1615020), (15, 1292016), (16, 1211265), (18, 1076680), (20, 969012), (22, 880920), (24, 807510), (30, 646008), (33, 587280), (36, 538340), (40, 484506), (44, 440460), (45, 430672), (48, 403755), (55, 352368), (60, 323004), (66, 293640), (72, 269170), (80, 242253), (88, 220230), (90, 215336), (99, 195760), (110, 176184), (120, 161502), (132, 146820), (144, 134585), (165, 117456), (176, 110115), (180, 107668), (198, 97880), (220, 88092), (240, 80751), (264, 73410), (330, 58728), (360, 53834), (396, 48940), (440, 44046), (495, 39152), (528, 36705), (660, 29364), (720, 26917), (792, 24470), (880, 22023), (990, 19576), (1320, 14682), (1584, 12235), (1980, 9788), (2447, 7920), (2640, 7341), (3960, 4894)]