19245240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1091}}^1$

素因数の和:1122

約数の個数: 144

約数和(自身を含む): 72825480

約数和(自身を除く): 53580240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1091, 1176, 1260, 1470, 1764, 1960, 2182, 2205, 2520, 2940, 3273, 3528, 4364, 4410, 5455, 5880, 6546, 7637, 8728, 8820, 9819, 10910, 13092, 15274, 16365, 17640, 19638, 21820, 22911, 26184, 30548, 32730, 38185, 39276, 43640, 45822, 49095, 53459, 61096, 65460, 68733, 76370, 78552, 91644, 98190, 106918, 114555, 130920, 137466, 152740, 160377, 183288, 196380, 213836, 229110, 267295, 274932, 305480, 320754, 343665, 392760, 427672, 458220, 481131, 534590, 549864, 641508, 687330, 801885, 916440, 962262, 1069180, 1283016, 1374660, 1603770, 1924524, 2138360, 2405655, 2749320, 3207540, 3849048, 4811310, 6415080, 9622620, 19245240]

約数ペア:

[(1, 19245240), (2, 9622620), (3, 6415080), (4, 4811310), (5, 3849048), (6, 3207540), (7, 2749320), (8, 2405655), (9, 2138360), (10, 1924524), (12, 1603770), (14, 1374660), (15, 1283016), (18, 1069180), (20, 962262), (21, 916440), (24, 801885), (28, 687330), (30, 641508), (35, 549864), (36, 534590), (40, 481131), (42, 458220), (45, 427672), (49, 392760), (56, 343665), (60, 320754), (63, 305480), (70, 274932), (72, 267295), (84, 229110), (90, 213836), (98, 196380), (105, 183288), (120, 160377), (126, 152740), (140, 137466), (147, 130920), (168, 114555), (180, 106918), (196, 98190), (210, 91644), (245, 78552), (252, 76370), (280, 68733), (294, 65460), (315, 61096), (360, 53459), (392, 49095), (420, 45822), (441, 43640), (490, 39276), (504, 38185), (588, 32730), (630, 30548), (735, 26184), (840, 22911), (882, 21820), (980, 19638), (1091, 17640), (1176, 16365), (1260, 15274), (1470, 13092), (1764, 10910), (1960, 9819), (2182, 8820), (2205, 8728), (2520, 7637), (2940, 6546), (3273, 5880), (3528, 5455), (4364, 4410)]