19259680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 51383808

約数和(自身を除く): 32124128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 341, 352, 353, 440, 496, 620, 682, 706, 880, 992, 1240, 1364, 1412, 1705, 1760, 1765, 2480, 2728, 2824, 3410, 3530, 3883, 4960, 5456, 5648, 6820, 7060, 7766, 10912, 10943, 11296, 13640, 14120, 15532, 19415, 21886, 27280, 28240, 31064, 38830, 43772, 54560, 54715, 56480, 62128, 77660, 87544, 109430, 120373, 124256, 155320, 175088, 218860, 240746, 310640, 350176, 437720, 481492, 601865, 621280, 875440, 962984, 1203730, 1750880, 1925968, 2407460, 3851936, 4814920, 9629840, 19259680]

約数ペア:

[(1, 19259680), (2, 9629840), (4, 4814920), (5, 3851936), (8, 2407460), (10, 1925968), (11, 1750880), (16, 1203730), (20, 962984), (22, 875440), (31, 621280), (32, 601865), (40, 481492), (44, 437720), (55, 350176), (62, 310640), (80, 240746), (88, 218860), (110, 175088), (124, 155320), (155, 124256), (160, 120373), (176, 109430), (220, 87544), (248, 77660), (310, 62128), (341, 56480), (352, 54715), (353, 54560), (440, 43772), (496, 38830), (620, 31064), (682, 28240), (706, 27280), (880, 21886), (992, 19415), (1240, 15532), (1364, 14120), (1412, 13640), (1705, 11296), (1760, 10943), (1765, 10912), (2480, 7766), (2728, 7060), (2824, 6820), (3410, 5648), (3530, 5456), (3883, 4960)]