19419120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3853}}^1$

素因数の和:3879

約数の個数: 120

約数和(自身を含む): 74551776

約数和(自身を除く): 55132656

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, 3853, 5040, 7706, 11559, 15412, 19265, 23118, 26971, 30824, 34677, 38530, 46236, 53942, 57795, 61648, 69354, 77060, 80913, 92472, 107884, 115590, 134855, 138708, 154120, 161826, 173385, 184944, 215768, 231180, 242739, 269710, 277416, 308240, 323652, 346770, 404565, 431536, 462360, 485478, 539420, 554832, 647304, 693540, 809130, 924720, 970956, 1078840, 1213695, 1294608, 1387080, 1618260, 1941912, 2157680, 2427390, 2774160, 3236520, 3883824, 4854780, 6473040, 9709560, 19419120]

約数ペア:

[(1, 19419120), (2, 9709560), (3, 6473040), (4, 4854780), (5, 3883824), (6, 3236520), (7, 2774160), (8, 2427390), (9, 2157680), (10, 1941912), (12, 1618260), (14, 1387080), (15, 1294608), (16, 1213695), (18, 1078840), (20, 970956), (21, 924720), (24, 809130), (28, 693540), (30, 647304), (35, 554832), (36, 539420), (40, 485478), (42, 462360), (45, 431536), (48, 404565), (56, 346770), (60, 323652), (63, 308240), (70, 277416), (72, 269710), (80, 242739), (84, 231180), (90, 215768), (105, 184944), (112, 173385), (120, 161826), (126, 154120), (140, 138708), (144, 134855), (168, 115590), (180, 107884), (210, 92472), (240, 80913), (252, 77060), (280, 69354), (315, 61648), (336, 57795), (360, 53942), (420, 46236), (504, 38530), (560, 34677), (630, 30824), (720, 26971), (840, 23118), (1008, 19265), (1260, 15412), (1680, 11559), (2520, 7706), (3853, 5040)]