19280520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1093}}^1$

素因数の和:1124

約数の個数: 144

約数和(自身を含む): 72958860

約数和(自身を除く): 53678340

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, 1093, 1176, 1260, 1470, 1764, 1960, 2186, 2205, 2520, 2940, 3279, 3528, 4372, 4410, 5465, 5880, 6558, 7651, 8744, 8820, 9837, 10930, 13116, 15302, 16395, 17640, 19674, 21860, 22953, 26232, 30604, 32790, 38255, 39348, 43720, 45906, 49185, 53557, 61208, 65580, 68859, 76510, 78696, 91812, 98370, 107114, 114765, 131160, 137718, 153020, 160671, 183624, 196740, 214228, 229530, 267785, 275436, 306040, 321342, 344295, 393480, 428456, 459060, 482013, 535570, 550872, 642684, 688590, 803355, 918120, 964026, 1071140, 1285368, 1377180, 1606710, 1928052, 2142280, 2410065, 2754360, 3213420, 3856104, 4820130, 6426840, 9640260, 19280520]

約数ペア:

[(1, 19280520), (2, 9640260), (3, 6426840), (4, 4820130), (5, 3856104), (6, 3213420), (7, 2754360), (8, 2410065), (9, 2142280), (10, 1928052), (12, 1606710), (14, 1377180), (15, 1285368), (18, 1071140), (20, 964026), (21, 918120), (24, 803355), (28, 688590), (30, 642684), (35, 550872), (36, 535570), (40, 482013), (42, 459060), (45, 428456), (49, 393480), (56, 344295), (60, 321342), (63, 306040), (70, 275436), (72, 267785), (84, 229530), (90, 214228), (98, 196740), (105, 183624), (120, 160671), (126, 153020), (140, 137718), (147, 131160), (168, 114765), (180, 107114), (196, 98370), (210, 91812), (245, 78696), (252, 76510), (280, 68859), (294, 65580), (315, 61208), (360, 53557), (392, 49185), (420, 45906), (441, 43720), (490, 39348), (504, 38255), (588, 32790), (630, 30604), (735, 26232), (840, 22953), (882, 21860), (980, 19674), (1093, 17640), (1176, 16395), (1260, 15302), (1470, 13116), (1764, 10930), (1960, 9837), (2186, 8820), (2205, 8744), (2520, 7651), (2940, 6558), (3279, 5880), (3528, 5465), (4372, 4410)]