19423530

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 60825600

約数和(自身を除く): 41402070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 43, 45, 54, 63, 70, 86, 90, 105, 126, 129, 135, 189, 210, 215, 239, 258, 270, 301, 315, 378, 387, 430, 478, 602, 630, 645, 717, 774, 903, 945, 1161, 1195, 1290, 1434, 1505, 1673, 1806, 1890, 1935, 2151, 2322, 2390, 2709, 3010, 3346, 3585, 3870, 4302, 4515, 5019, 5418, 5805, 6453, 7170, 8127, 8365, 9030, 10038, 10277, 10755, 11610, 12906, 13545, 15057, 16254, 16730, 20554, 21510, 25095, 27090, 30114, 30831, 32265, 40635, 45171, 50190, 51385, 61662, 64530, 71939, 75285, 81270, 90342, 92493, 102770, 143878, 150570, 154155, 184986, 215817, 225855, 277479, 308310, 359695, 431634, 451710, 462465, 554958, 647451, 719390, 924930, 1079085, 1294902, 1387395, 1942353, 2158170, 2774790, 3237255, 3884706, 6474510, 9711765, 19423530]

約数ペア:

[(1, 19423530), (2, 9711765), (3, 6474510), (5, 3884706), (6, 3237255), (7, 2774790), (9, 2158170), (10, 1942353), (14, 1387395), (15, 1294902), (18, 1079085), (21, 924930), (27, 719390), (30, 647451), (35, 554958), (42, 462465), (43, 451710), (45, 431634), (54, 359695), (63, 308310), (70, 277479), (86, 225855), (90, 215817), (105, 184986), (126, 154155), (129, 150570), (135, 143878), (189, 102770), (210, 92493), (215, 90342), (239, 81270), (258, 75285), (270, 71939), (301, 64530), (315, 61662), (378, 51385), (387, 50190), (430, 45171), (478, 40635), (602, 32265), (630, 30831), (645, 30114), (717, 27090), (774, 25095), (903, 21510), (945, 20554), (1161, 16730), (1195, 16254), (1290, 15057), (1434, 13545), (1505, 12906), (1673, 11610), (1806, 10755), (1890, 10277), (1935, 10038), (2151, 9030), (2322, 8365), (2390, 8127), (2709, 7170), (3010, 6453), (3346, 5805), (3585, 5418), (3870, 5019), (4302, 4515)]