19503250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 41749344

約数和(自身を除く): 22246094

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 353, 425, 442, 650, 706, 850, 1105, 1625, 1765, 2125, 2210, 3250, 3530, 4250, 4589, 5525, 6001, 8825, 9178, 11050, 12002, 17650, 22945, 27625, 30005, 44125, 45890, 55250, 60010, 78013, 88250, 114725, 150025, 156026, 229450, 300050, 390065, 573625, 750125, 780130, 1147250, 1500250, 1950325, 3900650, 9751625, 19503250]

約数ペア:

[(1, 19503250), (2, 9751625), (5, 3900650), (10, 1950325), (13, 1500250), (17, 1147250), (25, 780130), (26, 750125), (34, 573625), (50, 390065), (65, 300050), (85, 229450), (125, 156026), (130, 150025), (170, 114725), (221, 88250), (250, 78013), (325, 60010), (353, 55250), (425, 45890), (442, 44125), (650, 30005), (706, 27625), (850, 22945), (1105, 17650), (1625, 12002), (1765, 11050), (2125, 9178), (2210, 8825), (3250, 6001), (3530, 5525), (4250, 4589)]