19821750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 56609280

約数和(自身を除く): 36787530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 38, 39, 50, 57, 65, 75, 78, 95, 107, 114, 125, 130, 150, 190, 195, 214, 247, 250, 285, 321, 325, 375, 390, 475, 494, 535, 570, 642, 650, 741, 750, 950, 975, 1070, 1235, 1391, 1425, 1482, 1605, 1625, 1950, 2033, 2375, 2470, 2675, 2782, 2850, 3210, 3250, 3705, 4066, 4173, 4750, 4875, 5350, 6099, 6175, 6955, 7125, 7410, 8025, 8346, 9750, 10165, 12198, 12350, 13375, 13910, 14250, 16050, 18525, 20330, 20865, 26429, 26750, 30495, 30875, 34775, 37050, 40125, 41730, 50825, 52858, 60990, 61750, 69550, 79287, 80250, 92625, 101650, 104325, 132145, 152475, 158574, 173875, 185250, 208650, 254125, 264290, 304950, 347750, 396435, 508250, 521625, 660725, 762375, 792870, 1043250, 1321450, 1524750, 1982175, 3303625, 3964350, 6607250, 9910875, 19821750]

約数ペア:

[(1, 19821750), (2, 9910875), (3, 6607250), (5, 3964350), (6, 3303625), (10, 1982175), (13, 1524750), (15, 1321450), (19, 1043250), (25, 792870), (26, 762375), (30, 660725), (38, 521625), (39, 508250), (50, 396435), (57, 347750), (65, 304950), (75, 264290), (78, 254125), (95, 208650), (107, 185250), (114, 173875), (125, 158574), (130, 152475), (150, 132145), (190, 104325), (195, 101650), (214, 92625), (247, 80250), (250, 79287), (285, 69550), (321, 61750), (325, 60990), (375, 52858), (390, 50825), (475, 41730), (494, 40125), (535, 37050), (570, 34775), (642, 30875), (650, 30495), (741, 26750), (750, 26429), (950, 20865), (975, 20330), (1070, 18525), (1235, 16050), (1391, 14250), (1425, 13910), (1482, 13375), (1605, 12350), (1625, 12198), (1950, 10165), (2033, 9750), (2375, 8346), (2470, 8025), (2675, 7410), (2782, 7125), (2850, 6955), (3210, 6175), (3250, 6099), (3705, 5350), (4066, 4875), (4173, 4750)]