18289020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 54996480

約数和(自身を除く): 36707460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 61, 76, 95, 114, 122, 183, 190, 228, 244, 263, 285, 305, 366, 380, 526, 570, 610, 732, 789, 915, 1052, 1140, 1159, 1220, 1315, 1578, 1830, 2318, 2630, 3156, 3477, 3660, 3945, 4636, 4997, 5260, 5795, 6954, 7890, 9994, 11590, 13908, 14991, 15780, 16043, 17385, 19988, 23180, 24985, 29982, 32086, 34770, 48129, 49970, 59964, 64172, 69540, 74955, 80215, 96258, 99940, 149910, 160430, 192516, 240645, 299820, 304817, 320860, 481290, 609634, 914451, 962580, 1219268, 1524085, 1828902, 3048170, 3657804, 4572255, 6096340, 9144510, 18289020]

約数ペア:

[(1, 18289020), (2, 9144510), (3, 6096340), (4, 4572255), (5, 3657804), (6, 3048170), (10, 1828902), (12, 1524085), (15, 1219268), (19, 962580), (20, 914451), (30, 609634), (38, 481290), (57, 320860), (60, 304817), (61, 299820), (76, 240645), (95, 192516), (114, 160430), (122, 149910), (183, 99940), (190, 96258), (228, 80215), (244, 74955), (263, 69540), (285, 64172), (305, 59964), (366, 49970), (380, 48129), (526, 34770), (570, 32086), (610, 29982), (732, 24985), (789, 23180), (915, 19988), (1052, 17385), (1140, 16043), (1159, 15780), (1220, 14991), (1315, 13908), (1578, 11590), (1830, 9994), (2318, 7890), (2630, 6954), (3156, 5795), (3477, 5260), (3660, 4997), (3945, 4636)]