19211280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:429

約数の個数: 160

約数和(自身を含む): 68567040

約数和(自身を除く): 49355760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 380, 383, 418, 440, 456, 528, 570, 627, 660, 760, 766, 836, 880, 912, 1045, 1140, 1149, 1254, 1320, 1520, 1532, 1672, 1915, 2090, 2280, 2298, 2508, 2640, 3064, 3135, 3344, 3830, 4180, 4213, 4560, 4596, 5016, 5745, 6128, 6270, 7277, 7660, 8360, 8426, 9192, 10032, 11490, 12540, 12639, 14554, 15320, 16720, 16852, 18384, 21065, 21831, 22980, 25080, 25278, 29108, 30640, 33704, 36385, 42130, 43662, 45960, 50160, 50556, 58216, 63195, 67408, 72770, 80047, 84260, 87324, 91920, 101112, 109155, 116432, 126390, 145540, 160094, 168520, 174648, 202224, 218310, 240141, 252780, 291080, 320188, 337040, 349296, 400235, 436620, 480282, 505560, 582160, 640376, 800470, 873240, 960564, 1011120, 1200705, 1280752, 1600940, 1746480, 1921128, 2401410, 3201880, 3842256, 4802820, 6403760, 9605640, 19211280]

約数ペア:

[(1, 19211280), (2, 9605640), (3, 6403760), (4, 4802820), (5, 3842256), (6, 3201880), (8, 2401410), (10, 1921128), (11, 1746480), (12, 1600940), (15, 1280752), (16, 1200705), (19, 1011120), (20, 960564), (22, 873240), (24, 800470), (30, 640376), (33, 582160), (38, 505560), (40, 480282), (44, 436620), (48, 400235), (55, 349296), (57, 337040), (60, 320188), (66, 291080), (76, 252780), (80, 240141), (88, 218310), (95, 202224), (110, 174648), (114, 168520), (120, 160094), (132, 145540), (152, 126390), (165, 116432), (176, 109155), (190, 101112), (209, 91920), (220, 87324), (228, 84260), (240, 80047), (264, 72770), (285, 67408), (304, 63195), (330, 58216), (380, 50556), (383, 50160), (418, 45960), (440, 43662), (456, 42130), (528, 36385), (570, 33704), (627, 30640), (660, 29108), (760, 25278), (766, 25080), (836, 22980), (880, 21831), (912, 21065), (1045, 18384), (1140, 16852), (1149, 16720), (1254, 15320), (1320, 14554), (1520, 12639), (1532, 12540), (1672, 11490), (1915, 10032), (2090, 9192), (2280, 8426), (2298, 8360), (2508, 7660), (2640, 7277), (3064, 6270), (3135, 6128), (3344, 5745), (3830, 5016), (4180, 4596), (4213, 4560)]