19483740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 64821120

約数和(自身を除く): 45337380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 211, 228, 243, 270, 285, 324, 342, 380, 405, 422, 486, 513, 540, 570, 633, 684, 810, 844, 855, 972, 1026, 1055, 1140, 1215, 1266, 1539, 1620, 1710, 1899, 2052, 2110, 2430, 2532, 2565, 3078, 3165, 3420, 3798, 4009, 4220, 4617, 4860, 5130, 5697, 6156, 6330, 7596, 7695, 8018, 9234, 9495, 10260, 11394, 12027, 12660, 15390, 16036, 17091, 18468, 18990, 20045, 22788, 23085, 24054, 28485, 30780, 34182, 36081, 37980, 40090, 46170, 48108, 51273, 56970, 60135, 68364, 72162, 80180, 85455, 92340, 102546, 108243, 113940, 120270, 144324, 170910, 180405, 205092, 216486, 240540, 256365, 324729, 341820, 360810, 432972, 512730, 541215, 649458, 721620, 974187, 1025460, 1082430, 1298916, 1623645, 1948374, 2164860, 3247290, 3896748, 4870935, 6494580, 9741870, 19483740]

約数ペア:

[(1, 19483740), (2, 9741870), (3, 6494580), (4, 4870935), (5, 3896748), (6, 3247290), (9, 2164860), (10, 1948374), (12, 1623645), (15, 1298916), (18, 1082430), (19, 1025460), (20, 974187), (27, 721620), (30, 649458), (36, 541215), (38, 512730), (45, 432972), (54, 360810), (57, 341820), (60, 324729), (76, 256365), (81, 240540), (90, 216486), (95, 205092), (108, 180405), (114, 170910), (135, 144324), (162, 120270), (171, 113940), (180, 108243), (190, 102546), (211, 92340), (228, 85455), (243, 80180), (270, 72162), (285, 68364), (324, 60135), (342, 56970), (380, 51273), (405, 48108), (422, 46170), (486, 40090), (513, 37980), (540, 36081), (570, 34182), (633, 30780), (684, 28485), (810, 24054), (844, 23085), (855, 22788), (972, 20045), (1026, 18990), (1055, 18468), (1140, 17091), (1215, 16036), (1266, 15390), (1539, 12660), (1620, 12027), (1710, 11394), (1899, 10260), (2052, 9495), (2110, 9234), (2430, 8018), (2532, 7695), (2565, 7596), (3078, 6330), (3165, 6156), (3420, 5697), (3798, 5130), (4009, 4860), (4220, 4617)]