18844590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:945

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 29926482

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 881, 930, 1426, 1762, 2139, 2643, 3565, 4278, 4405, 5286, 7130, 8810, 10695, 13215, 20263, 21390, 26430, 27311, 40526, 54622, 60789, 81933, 101315, 121578, 136555, 163866, 202630, 273110, 303945, 409665, 607890, 628153, 819330, 1256306, 1884459, 3140765, 3768918, 6281530, 9422295, 18844590]

約数ペア:

[(1, 18844590), (2, 9422295), (3, 6281530), (5, 3768918), (6, 3140765), (10, 1884459), (15, 1256306), (23, 819330), (30, 628153), (31, 607890), (46, 409665), (62, 303945), (69, 273110), (93, 202630), (115, 163866), (138, 136555), (155, 121578), (186, 101315), (230, 81933), (310, 60789), (345, 54622), (465, 40526), (690, 27311), (713, 26430), (881, 21390), (930, 20263), (1426, 13215), (1762, 10695), (2139, 8810), (2643, 7130), (3565, 5286), (4278, 4405)]