19682390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 44706816

約数和(自身を除く): 25024426

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 503, 559, 602, 910, 1006, 1118, 1505, 2515, 2795, 3010, 3521, 3913, 5030, 5590, 6539, 7042, 7826, 13078, 17605, 19565, 21629, 32695, 35210, 39130, 43258, 45773, 65390, 91546, 108145, 151403, 216290, 228865, 281177, 302806, 457730, 562354, 757015, 1405885, 1514030, 1968239, 2811770, 3936478, 9841195, 19682390]

約数ペア:

[(1, 19682390), (2, 9841195), (5, 3936478), (7, 2811770), (10, 1968239), (13, 1514030), (14, 1405885), (26, 757015), (35, 562354), (43, 457730), (65, 302806), (70, 281177), (86, 228865), (91, 216290), (130, 151403), (182, 108145), (215, 91546), (301, 65390), (430, 45773), (455, 43258), (503, 39130), (559, 35210), (602, 32695), (910, 21629), (1006, 19565), (1118, 17605), (1505, 13078), (2515, 7826), (2795, 7042), (3010, 6539), (3521, 5590), (3913, 5030)]