19276380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 61675152

約数和(自身を除く): 42398772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 162, 163, 180, 219, 270, 292, 324, 326, 365, 405, 438, 489, 540, 652, 657, 730, 810, 815, 876, 978, 1095, 1314, 1460, 1467, 1620, 1630, 1956, 1971, 2190, 2445, 2628, 2934, 3260, 3285, 3942, 4380, 4401, 4890, 5868, 5913, 6570, 7335, 7884, 8802, 9780, 9855, 11826, 11899, 13140, 13203, 14670, 17604, 19710, 22005, 23652, 23798, 26406, 29340, 29565, 35697, 39420, 44010, 47596, 52812, 59130, 59495, 66015, 71394, 88020, 107091, 118260, 118990, 132030, 142788, 178485, 214182, 237980, 264060, 321273, 356970, 428364, 535455, 642546, 713940, 963819, 1070910, 1285092, 1606365, 1927638, 2141820, 3212730, 3855276, 4819095, 6425460, 9638190, 19276380]

約数ペア:

[(1, 19276380), (2, 9638190), (3, 6425460), (4, 4819095), (5, 3855276), (6, 3212730), (9, 2141820), (10, 1927638), (12, 1606365), (15, 1285092), (18, 1070910), (20, 963819), (27, 713940), (30, 642546), (36, 535455), (45, 428364), (54, 356970), (60, 321273), (73, 264060), (81, 237980), (90, 214182), (108, 178485), (135, 142788), (146, 132030), (162, 118990), (163, 118260), (180, 107091), (219, 88020), (270, 71394), (292, 66015), (324, 59495), (326, 59130), (365, 52812), (405, 47596), (438, 44010), (489, 39420), (540, 35697), (652, 29565), (657, 29340), (730, 26406), (810, 23798), (815, 23652), (876, 22005), (978, 19710), (1095, 17604), (1314, 14670), (1460, 13203), (1467, 13140), (1620, 11899), (1630, 11826), (1956, 9855), (1971, 9780), (2190, 8802), (2445, 7884), (2628, 7335), (2934, 6570), (3260, 5913), (3285, 5868), (3942, 4890), (4380, 4401)]