19528240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 48934368

約数和(自身を除く): 29406128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 173, 272, 332, 340, 346, 415, 664, 680, 692, 830, 865, 1328, 1360, 1384, 1411, 1660, 1730, 2768, 2822, 2941, 3320, 3460, 5644, 5882, 6640, 6920, 7055, 11288, 11764, 13840, 14110, 14359, 14705, 22576, 23528, 28220, 28718, 29410, 47056, 56440, 57436, 58820, 71795, 112880, 114872, 117640, 143590, 229744, 235280, 244103, 287180, 488206, 574360, 976412, 1148720, 1220515, 1952824, 2441030, 3905648, 4882060, 9764120, 19528240]

約数ペア:

[(1, 19528240), (2, 9764120), (4, 4882060), (5, 3905648), (8, 2441030), (10, 1952824), (16, 1220515), (17, 1148720), (20, 976412), (34, 574360), (40, 488206), (68, 287180), (80, 244103), (83, 235280), (85, 229744), (136, 143590), (166, 117640), (170, 114872), (173, 112880), (272, 71795), (332, 58820), (340, 57436), (346, 56440), (415, 47056), (664, 29410), (680, 28718), (692, 28220), (830, 23528), (865, 22576), (1328, 14705), (1360, 14359), (1384, 14110), (1411, 13840), (1660, 11764), (1730, 11288), (2768, 7055), (2822, 6920), (2941, 6640), (3320, 5882), (3460, 5644)]