19370120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 57369600

約数和(自身を除く): 37999480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 331, 380, 385, 418, 440, 532, 616, 662, 665, 760, 770, 836, 1045, 1064, 1324, 1330, 1463, 1540, 1655, 1672, 2090, 2317, 2648, 2660, 2926, 3080, 3310, 3641, 4180, 4634, 5320, 5852, 6289, 6620, 7282, 7315, 8360, 9268, 11585, 11704, 12578, 13240, 14564, 14630, 18205, 18536, 23170, 25156, 25487, 29128, 29260, 31445, 36410, 44023, 46340, 50312, 50974, 58520, 62890, 69179, 72820, 88046, 92680, 101948, 125780, 127435, 138358, 145640, 176092, 203896, 220115, 251560, 254870, 276716, 345895, 352184, 440230, 484253, 509740, 553432, 691790, 880460, 968506, 1019480, 1383580, 1760920, 1937012, 2421265, 2767160, 3874024, 4842530, 9685060, 19370120]

約数ペア:

[(1, 19370120), (2, 9685060), (4, 4842530), (5, 3874024), (7, 2767160), (8, 2421265), (10, 1937012), (11, 1760920), (14, 1383580), (19, 1019480), (20, 968506), (22, 880460), (28, 691790), (35, 553432), (38, 509740), (40, 484253), (44, 440230), (55, 352184), (56, 345895), (70, 276716), (76, 254870), (77, 251560), (88, 220115), (95, 203896), (110, 176092), (133, 145640), (140, 138358), (152, 127435), (154, 125780), (190, 101948), (209, 92680), (220, 88046), (266, 72820), (280, 69179), (308, 62890), (331, 58520), (380, 50974), (385, 50312), (418, 46340), (440, 44023), (532, 36410), (616, 31445), (662, 29260), (665, 29128), (760, 25487), (770, 25156), (836, 23170), (1045, 18536), (1064, 18205), (1324, 14630), (1330, 14564), (1463, 13240), (1540, 12578), (1655, 11704), (1672, 11585), (2090, 9268), (2317, 8360), (2648, 7315), (2660, 7282), (2926, 6620), (3080, 6289), (3310, 5852), (3641, 5320), (4180, 4634)]