18761220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:371

約数の個数: 120

約数和(自身を含む): 60638424

約数和(自身を除く): 41877204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 313, 324, 333, 370, 405, 444, 540, 555, 626, 666, 740, 810, 939, 999, 1110, 1252, 1332, 1565, 1620, 1665, 1878, 1998, 2220, 2817, 2997, 3130, 3330, 3756, 3996, 4695, 4995, 5634, 5994, 6260, 6660, 8451, 9390, 9990, 11268, 11581, 11988, 14085, 14985, 16902, 18780, 19980, 23162, 25353, 28170, 29970, 33804, 34743, 42255, 46324, 50706, 56340, 57905, 59940, 69486, 84510, 101412, 104229, 115810, 126765, 138972, 169020, 173715, 208458, 231620, 253530, 312687, 347430, 416916, 507060, 521145, 625374, 694860, 938061, 1042290, 1250748, 1563435, 1876122, 2084580, 3126870, 3752244, 4690305, 6253740, 9380610, 18761220]

約数ペア:

[(1, 18761220), (2, 9380610), (3, 6253740), (4, 4690305), (5, 3752244), (6, 3126870), (9, 2084580), (10, 1876122), (12, 1563435), (15, 1250748), (18, 1042290), (20, 938061), (27, 694860), (30, 625374), (36, 521145), (37, 507060), (45, 416916), (54, 347430), (60, 312687), (74, 253530), (81, 231620), (90, 208458), (108, 173715), (111, 169020), (135, 138972), (148, 126765), (162, 115810), (180, 104229), (185, 101412), (222, 84510), (270, 69486), (313, 59940), (324, 57905), (333, 56340), (370, 50706), (405, 46324), (444, 42255), (540, 34743), (555, 33804), (626, 29970), (666, 28170), (740, 25353), (810, 23162), (939, 19980), (999, 18780), (1110, 16902), (1252, 14985), (1332, 14085), (1565, 11988), (1620, 11581), (1665, 11268), (1878, 9990), (1998, 9390), (2220, 8451), (2817, 6660), (2997, 6260), (3130, 5994), (3330, 5634), (3756, 4995), (3996, 4695)]