19208340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 61471872

約数和(自身を除く): 42263532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 167, 180, 213, 270, 284, 324, 334, 355, 405, 426, 501, 540, 639, 668, 710, 810, 835, 852, 1002, 1065, 1278, 1420, 1503, 1620, 1670, 1917, 2004, 2130, 2505, 2556, 3006, 3195, 3340, 3834, 4260, 4509, 5010, 5751, 6012, 6390, 7515, 7668, 9018, 9585, 10020, 11502, 11857, 12780, 13527, 15030, 18036, 19170, 22545, 23004, 23714, 27054, 28755, 30060, 35571, 38340, 45090, 47428, 54108, 57510, 59285, 67635, 71142, 90180, 106713, 115020, 118570, 135270, 142284, 177855, 213426, 237140, 270540, 320139, 355710, 426852, 533565, 640278, 711420, 960417, 1067130, 1280556, 1600695, 1920834, 2134260, 3201390, 3841668, 4802085, 6402780, 9604170, 19208340]

約数ペア:

[(1, 19208340), (2, 9604170), (3, 6402780), (4, 4802085), (5, 3841668), (6, 3201390), (9, 2134260), (10, 1920834), (12, 1600695), (15, 1280556), (18, 1067130), (20, 960417), (27, 711420), (30, 640278), (36, 533565), (45, 426852), (54, 355710), (60, 320139), (71, 270540), (81, 237140), (90, 213426), (108, 177855), (135, 142284), (142, 135270), (162, 118570), (167, 115020), (180, 106713), (213, 90180), (270, 71142), (284, 67635), (324, 59285), (334, 57510), (355, 54108), (405, 47428), (426, 45090), (501, 38340), (540, 35571), (639, 30060), (668, 28755), (710, 27054), (810, 23714), (835, 23004), (852, 22545), (1002, 19170), (1065, 18036), (1278, 15030), (1420, 13527), (1503, 12780), (1620, 11857), (1670, 11502), (1917, 10020), (2004, 9585), (2130, 9018), (2505, 7668), (2556, 7515), (3006, 6390), (3195, 6012), (3340, 5751), (3834, 5010), (4260, 4509)]